Cisco 2901 power consumption. Power Supplies Cisco 2900 series and Cisco 3900 series ISRs support a variety of power supply configurations. Cisco 2901 power consumption

 
 Power Supplies Cisco 2900 series and Cisco 3900 series ISRs support a variety of power supply configurationsCisco 2901 power consumption 94 Watts (35

L-SL-29-SEC-K9= Cisco 2900 License L-SL-29-SEC-K9 Security E-Delivery PAK for Cisco 2901-2951 L-SL-29-APP-K9= Cisco Application Experience License ISR 2900 Series - includes licenses for: AppX, DATA and WAASX. 10. (4. So our waste heat is (4263-3751) = 512BTU/h, or 150w for each power supply in the switch. com 6 Humidity 5 to 95% RH Altitude 15,000 ft (4,570m) Regulatory Compliance Safety UL 60950-1 CAN/CSA C22. In general, the Cisco Catalyst 9000 Switches have multiple benefits regarding energy efficiency like platinum-rated power supply which are more efficient and lowering operating power costs or. 192. 3 W NM/SM slot 1 Power consumption = 27. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink;. The Catalyst 8200 Series Edge Platforms are the evolution of the Cisco 4300 series Integrated Services Router (ISR) and are designed for Secure Access Service Edge (SASE), Software-Defined WAN (SD-WAN), and 5G-based architectures. AC input voltage:. Activity 3. 8 WPower consumption = ISM 0. Step 1 Move the mouse over the title bar of the EnergyWise Power Consumption portlet to view the icons. View online(15 pages) or download PDF(814. Cisco 2901 Chassis 1-2 Cisco 2911 Chassis 1-4 Cisco 2921 and Cisco 2951 Chassis 1-6 Cisco 3900 Series Chassis 1-8 Locating the Serial Number, PID, VID and CLEI. Cisco 890 Series ISRs come with an 8-port managed switch, providing LAN ports to connect multiple devices. For information about other features in this software release, see these documents:The Cisco® Power Calculator enables you to calculate the power supply requirements for a specific Power over Ethernet (PoE) configuration. Real-Time Clock. EET cannot be held responsible for errors in relation to this. Step 1. 49 megawatts of managed capacity—enough to power 21,368 average homes. You can even view switches by power consumption to find switches with heavy consumption. ACL, FPM, control plan protection, control plane policing (CoPP), QoS, role-based CLI access, source-based. Hi, Please try show environment all command and look at the system power section, this might help. COM 2 OVERVIEW Cisco 2900 Series builds on the best-in-class offering of the existing Cisco 2800 Series Integrated Services Routers by offering four platforms (Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services Routers. 20 W (5 VDC, 4 Amps) Router DC Power Adapter: Input Voltage . They provide high availability during power failure through an external universal. The following Cisco access routers support EHWIC 1 GE-SFP-CU. 18-Aug-2014. The ISR 1100 Series come with 4GB DRAM, whereas the ISR 1100X Series offer 8GB DRAM. 330W nominal/400W max. PWRx-20W-12VDC (10 VDC to 36 VDC operating range) 24 VDC nominal . Cisco ASR 1000 Series Modular Ethernet Line Card Software Configuration Guide, Cisco IOS XE Gibraltar 17. Please refer to Table 3 for more information. Een voedingsmodule met wisselstroom mag nooit samen met een gelijkstroomvoedingsmodule in het chassis geïnstalleerd worden. Module and Router Power Consumption. On the Cisco 2911, 2921,. 51. Batalov, Artem V. Four integrated EHWIC slots on the Cisco 2901, 2911, 2921, and 2951 allow for more flexible. Cisco Catalyst 3750G-16TD Switch Figure 4. Harga cisco 2901 power supplay 341-0324-02. 02 Amps @ 42V) system power available = 292. Cisco Catalyst 9300 Series modular uplink models stack (C9300/C9300X SKUs) and fixed uplink. Collapse. There is a Power Cycle Devices button at the bottom of main workspace to restart all devices as well. 6. Picture is for future reference. Power consumption. Power Supply Feature. Power consumption (typical) 40 W: Power source type: AC: AC input voltage: 100 - 240 V: AC input frequency: 47 - 63 Hz: Input current: 1. In this example, I will be installing a WS-X6816-10G-2TXL, three WS-6848-SFP-2TXL, a WS-X6848-TX-2TXL and the sup is a VS-S26-10G-XL. Overview of the Hardware and Software. 3 Power rating values for the switch input power. Cisco EnergyWise is a technology that measures, monitors, and manages the power usage of powered devices, Cisco devices in a domain, and the end points connected to them. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL. Maximum Power Consumption of the ONS15454 MSPP NEBS3/NEBS3E Chassis 863. 412. Cisco documentation is the only place I know to get that information. These low-density Gigabit Ethernet switches offer small to medium-sized. The SM-32A service module enhances the serial density capacity of Cisco 2900 and Cisco 3900/3900E ISR G2 platforms. Power Consumption Operational. For example you have a telecommunications room with ten (10) Cisco Catalyst 2960X-48FPD-L which according to Cisco draws a maximum of 66. • Three onboard Gigabit Ethernet (copper or optical) or Fast Ethernet ports. Description Specification AC input voltage. Replacing the Cisco 2901 Router Power Supply. 8 WPower consumption = ISM 0. From the technical specifications section of the 3850 Hardware Installation Guide, the 1100w power supply total input power/btu is 1250w/4263BTU/h. An optional upgrade to the internal power supply provides inline power (802. 5 to 200 Gbps. ROUTER-SWITCH. When used in a Cisco 2600, 3600, or 3700 Series Router, requires a voice / fax network module: NM-1V or NM-2V. In addition, the platforms support the industry’s. Table 6. The Cisco 2901 ISR has an internal power supply, which requires removing the cover for replacement. 2. Cisco Catalyst 9200CX Series HVDC models can be powered by high voltage DC as well as line voltage AC with its default power supply. 3. Module and Router Power Consumption 1-22 Fans, Ventilation, and Airflow 1. A minimum of 3788 AC watts should be set for each chassis. Product Overview. 5 in. 5 VDC, +3. The Cisco 2900 Series offers intelligent power management and allows the customer to control power to the modules based on the time of day. Cisco 2900 Series builds on the best-in-class offering of the existing Cisco 2800 Series Integrated Services Routers by offering four platforms (Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services Routers. 3af-compliant PoE and Cisco Inline Power) to integrated switch modules. Cisco documents the best RFC 2544 throughput of an ISR 2911 at 3. System returned to ROM by power-on System image file is "flash:c3560-ipbase-mz. SYSTEM POWER. Table 1. 12. 1. Cisco EnergyWise. Table 1. Secure Voice on Cisco Integrated Services Routers. 122-53. 5W. The results will show output current, output power, and system heat dissipation. Cisco 1900 Series Integrated Services Routers - Learn product details such as features and benefits, as well as. It does not go on and off with the power switch. This table lists them along with their characteristics: Table 1. System Power Consumption. 3af Power Figure 3. Warning Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages and currents inside the chassis; they contain electromagnetiCisco Intergrated Service Router ISR4331-V/K9 Voice bundle is ideally designed for the small to mid-size enterprise branch environment, delivers. STEP: 7 Order a redundant power supply. This decrease in memory utilization is. 89. 12,000 BTU is equal to ONE ton of cooling. Never install an AC power module and a DC power module in the same chassis. SYSTEM POWER. pewarski. 11. Figure 1 Cisco 1121 Secure Access Control System Front View The CSACS-1121 Series appliance is configured for AC-input power and has a single auto-ranging AC-input power supply, mounted in a standard 19-inch (48. the powered device (PD)—the end device that accepts. A. Actions in response to a Cisco EnergyWise power-level change request are. 93 Amps @ 42V) Power-Capacity PS-Fan Output Oper. The 4-port Cisco EtherSwitch HWIC has four 10/100 switched Ethernet ports, with options for inline power support on all four ports. These technologies allow you to meet increased endpoint power requirements without increasing the total power consumption of the branch. After power is applied to. 75 x 14. I am trying to calculate the expected power draw for UPS. 3af client connected 17 17 Fiber user as backhaul 1 1 Total Power Consumption Total Power Consumption When DC Powered. The Cisco Catalyst 2960 Series Switches with LAN Lite Software have the following capabilities: Fast Ethernet connectivity with Power over Ethernet (PoE) of up to 15. 72 Watts (53. Greetings, For 3rd party ATA's , is it necessary to order Enhanced UCL license or can we just add essential UCL as we do for Cisco ATA's? Can I add redundant power supply to BE6M-M5-K9 appliance by ordering UCSC-PSU1-770W=? Cisco 1941 Router w/ 802. Summary of Contents of data sheet for Cisco 3825 CISCO3825. Cisco's recommendations tend to be very conservative, so that you don't exceed the capacity of the device. Free PDF of Cisco CISCO2901/K9. One RJ-45 connector and one USB mini Type B, USB 2. However, no BTU information is provided for either of the 3000w power supplies. (Note: 1000 BTU/hr = 293W) 2901 BTU/hr (850W) max Input current AC 10A at 115VAC, 5 A at 230VAC Output ratings 12V at 79A, 12V at 3A Output holdup. The Cisco® Catalyst® 9500 Series switches are the next generation of enterprise-class core and aggregation layer switches, supporting full programmability and serviceability. 40W. 12 VDC nominal . 7 W. As for HWICs and AIMs, as per the engineering spec, this power consumption is minimal. Designed to support high 1/10/40/100 Gigabit densities in a 2RU form factor. 04-30-2021 05:02 PM. 3af Power over Ethernet (PoE) and Cisco Enhanced. Cisco IOS Release 15. 07-05-2015 01:15 AM. PWR-C1-1100WAC-P. Table A-2 650 W AC Power Supply Specifications. Remember to add your inline power of Access points, IP phones or cameras. Single/Dual 350W DC optional. Overview The Cisco 2901 router, supporting voice module, is designed for small offices. Engager. FAN is OK. The Cisco 2900 Series offers these solutions by providing enhanced performance and increased modular density to support multiple services. (Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services Routers. Cisco 1941 ISR. The FAN is a distribution system in which power generation and transmission are linked to the power consumers. It is single AC fed. Comprehensive Feature Set with Cisco NX-OS. show voice dsp group all. The 32-port service module has low power consumption with a maximum of 15. Any interface with an IP address, be it a physical interface or a virtual interface (such as subinterfaces, Dialer interfaces or VLAN interfaces) can be considered a management interface. Power consumption (Cisco 3945) 85 to 400 W, 600 to 1370 BTU/hr (configuration dependent) With AC-POE. Would anyone be able to tell me what the total power consumption would be on a fully populated server? Kind regards BradleyMarksWhen the BGP router receives its neighbors' full BGP routing table (98,410 routes), the router consumes approximately 71 MB. The CSACS-1121 features include:You can control the maximum power consumption on a server through power capping, as well as manage the power allocation in the Cisco UCS Manager for blade servers, UCS C220 and C240 M4 /M5, and C480 M5 / C480 M5. Power Power Device Power supply - internal Voltage Required AC 120/230 V ( 50/60 Hz ) MiscellaneousCisco EnergyWise enables companies to save costs by measuring, managing, and reducing the power consumption of network infrastructure, and of devices attached to the network. 128MB. The Cisco 2901 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. SE2. Beginner Options. View online or download Cisco 2901 Installation Manual. N/A. The AC power supplies for EX4300 switches are available in 350 W, 715 W, 1100 W, and 1400 W models. on the 12k I could batter in 10gig ports - do you think a chassis full of 10g blades will run the same power as a chassis. Cisco Catalyst 3750G-48TS Switch, Cisco Catalyst 3750G-48PS Switch with IEEE 802. Options. Features Cisco Firepower Model 2110 2120 2130 2140 Dimensions (H x W x D) 1. 7 watts) and the 7961G-GE phones are a class 3 device (15. Power to ISM slots can be managed by extensions similar to the Cisco EnergyWise framework, so your organization can reduce energy consumption in your network infrastructure. The Cisco ® Services-Ready Engine (SRE) modules are router blades for the Cisco Integrated Services Routers Generation 2 (ISR G2) that provide the capability to host Cisco, third-party, and custom. AC 100 to 240 VAC 50-60 Hz/DC -72 VDC to -40 VDC. 9. 76 in. Muhammad Talha. as for the blank routing table, make sure your 2901 can ping the ISP modem/router and ISP device has a similar route back. The compact, high-density Cisco 1100 Terminal Services Gateway (C1100. txt) or read online for free. Cisco Catalyst 2960-Plus 48PST-L . Total System Power consumption is:. Cisco; Cisco Duo and Umbrella;. The Cisco® Power Calculator enables you to calculate the power supply requirements for a specific Power over Ethernet (PoE) configuration. Information About Reducing Power Consumption. x 22-Aug-2023. Cisco 2901 Router Datasheet - Free download as PDF File (. Please rate this and mark as solution/answer, if this resolved your issue. Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Router Interoperability with Cisco Unified Communications Manager Data Sheet. . These devices combine WAN and comprehensive security in a wired high-performance platform. Part of the Cisco ® ASR 9000 Series, the Cisco ASR 9901 Router (Figure 1) is a compact high-capacity Provider Edge (PE) router that delivers 456 Gbps of nonblocking, full-duplex fabric capacity in a Two-Rack-Unit (2RU) form factor. IOM, CIMC, and BIOS version 1. English; Español;. system power total = 2331. AC input frequency 47-63 Hz. 2. Power Consumption . We have 6 Cisco Cisco 2900 series manuals available for free PDF download: Installation Manual, Manual, Datasheet. Beginner Options. 3af Power over Ethernet (PoE) and Cisco Enhanced. For the planned switches, no one can provide a ball-park figure because there are many unknowns: What line cards are installed?Cisco 2921 Configuration Manual (409 pages) Cisco 3900 Series, Cisco 2900 Series, Cisco 1900 Series. Secure the RM 5400 modem to any permanent fixtureInformation About Reducing Power Consumption. Ports Console. 85 Watts w/ 2 TCC, 2 XCVT, 1 AIC, 2 OC48 IR 1310 HS, 10 E100T-12 ANSI Chassis 1106. 2 Ordering the Cisco 2900 Series Integrated Services Routers. 2901 has normal non-PoE power , interestingly when running, systems detects all modules: However when checking interfaces , it doesn't detect the fast ethernet module interfaces: 4por FE module has no issue working , tested and not defected. 8 WPower consumption = ISM 0. Cisco Business Edition 6000 Solutions (DOCX - 772 KB) Cisco Business Edition 6000 - Learn product details such as features and benefits, as well as hardware and software specifications. Based on the same Cisco IOS ® XR software image as the other routers in the Cisco. Table 3. 2. ROUTER-SWITCH. Caution: Be sure that the chassis configuration complies with the required power budgets. The modular architecture is designed to support expanding customer requirements, increased bandwidth, and fully integrated power distribution to modules. 110 W maximum platform only. From the link it states 29. Real-Time Clock. . Note: SYS (2) ACT (3) POE (4) On/Off switch (5) AC power connector Energy Efficiency. ===============. Power consumption . It's available via the provided link. Power Supply Information for Cisco Catalyst 4500-X Series. So we know the waste heat of the power supplies and we know. I have a 2811 and I want to k now what power it will be consuming. Cisco Business Edition 6000 Solutions 28/Feb/2023. I used the cisco power consumption tool to determine if these AP's which are mgig capable will be able to work in our existing environment - we currently have 3560X and 3650. The module power values are based on 42 VDC. Product overview. Cisco router security bundles support the delivery of security features such as Cisco IOS software-based intrusion prevention systems. 3at (PoE+) ports capable of providing a total of 60 W • APs, phones, cameras, and other PoE-enabled devices can be powered without the need forIf this is still not occurring, make sure the switch port is allowing up to 30W of power for the connected device: Switch# configure terminal Switch(config)# interface interface_id Switch(config-if)# power inline max 30000 Switch(config-if)# end. It is a slim 1 RU form factor saving rack space. Options. Cisco ASR 9001. Services integration and modularity on a single platform performing multiple functions, optimizing raw materials consumption and energy usage. • The Cisco 1900 Series offers intelligent power management and allows you to control power to the modules based on the time of day. Page 18 Replacing Power Supplies and Redundant Power Supplies 5-28 Replacing the Cisco 2901 Router Power Supply 5-30 Replacing the Cisco 2911 Router Power Supply 5-32 Installing and Removing the Cisco. The power consumption of an idle unloaded 2911 at the 12V stage is 1. 1. Prior to Cisco IOS 12. The Cisco Catalyst 2960-X and 2960-XR Series PoE power allocation is dynamic, and power mapping scales up to a maximum of 740W of PoE+ power. Four integrated EHWIC slots on the Cisco 2901, 2911, 2921, and 2951 allow for more flexible configurations. These products manage Nexus data-center switches. com Figure 4. 5W, so just use 30W per port you need to determine the PS you also need. 3at (PoE+). 04-19-2021 10:35 AM - edited ‎04-19-2021 11:08 AM. The end points communicate with the power management station through Cisco devices, such as the Cisco 800 series routers,. SYSTEM POWER ===== Motherboard Components Power consumption = 46. 16 Watts (65. Each downstream PHY module consumes approximately 70W of. That number is the maximum watts the power supply can take. Cisco 4000 Series Integrated Services Routers: Architecture for Branch-Office Agility (PDF - 971 KB) Miercom Performance Analysis: Cisco 4000 Series ISRs (PDF - 878 KB) 4321 Integrated Services Router: Access product specifications, documents, downloads, Visio stencils, product images, and community content. To connect the RPS, the. A Cisco cBR-8 CCAP line card has two downstream PHY modules. The Cisco 2901 (available separately) can be ordered with AC or POE type of power supply. 12-21-2004 05:28 AM. Power-supply options Internal: AC and PoE. The Cisco 1900 Series offers intelligent power management and allows you to control power to the modules based on the time of day. The following table lists the power consumption specifications for a fully configured chassis. These devices offer 4-GB DRAM/8-GB flash and 8-GB DRAM/16-GB flash options. 0 WPower consumption = NM/SM slot 1 3. 168. Good luck. The Cisco 113x ISR models introduced 802. • Single Cisco 7000 Series port adapter slot. . 750W. 0 WPower consumption = NM/SM slot 1 3. The Cisco 2901 and 2911 have 2 PVDM slots each, the Cisco 2921 and 2951 have 3 PVDM slots each, and the Cisco 3925 and 3945 have 4 PVDM slots each. Value . Step 6: end. System power consumption 850W max Input-voltage range and frequency AC 115. saving running config) and got corrupted or erased;As shown in Table 2, the power consumption varies by switch. Overview This is a Cisco 2901 AC Power Supply (both system and spare). Features and Benefits of Cisco Unified IP Phone 6901. 73 x 16. 2100. 84 Watts (59. 11 Base Stations. LED Indicators. All Cisco 1900 Series Integrated Services Routers offer embedded hardware encryption acceleration. 330W nominal/400W max. Power Supply. Hello, I want to calculate the power consumption of the 2901 and 2911 routers when one WIC2T board is installed in terms of VA? I looked at the Cisco calculator but there are only some models for. A Bridge Connecting IT Hardware to The World Routers Switches Firewalls Wireless Servers. In fact in the table (n°7) of the Cisco 2900 Series ISR (G2) datasheet, that sum up the power consumption data for Cisco 2900 series routers there is the line : "Maximum Power with PoE Power Supply. For more details about Wi-Fi 6, see Cisco’s technical white paper on Wi-Fi 6. The Cisco ® 1100 Terminal Services Gateway provides up to 72 asynchronous ports on a single-rack-unit form factor, supporting up to 24 Layer 2 switch ports, LTE Advanced 3. *The product data above is provided by Icecat. materials consumption and energy usage. Source: Look for table 12. Contact: CISCO Support or nearby CISCO Partner for Help. Data Sheets. Cisco 2901 router Fan issue Go to solution. Example: Device(config-if)# end: Returns to privileged EXEC mode. It automatically senses if an internal power supply of a connected device fails and immediately supplies power to the failed device. Source: Look for table 12. 8 WPower consumption = ISM 0. It allows network security, unified communications, and fully integrated power distribution to support modules of 802. The VG320 and VG310 are built on the Cisco 2901 platform, powered by a single high-performance core processor. In fact in the table (n°7) of the Cisco 2900 Series ISR (G2) datasheet, that sum up the power consumption data for Cisco 2900 series routers there is the line : "Maxim. So that I can reconfigure it because it is moving offices. 6 W. Interoperability: Cisco VG Series works with Cisco and third-party IP private branch exchanges (PBXs). These technologies allow you to meet increased endpoint power requirements without increasing the total power consumption of the branch office. Ports 1-5 VLAN 100. A Cisco cBR-8 CCAP line card has two downstream PHY modules. Motherboard Components Power consumption = 46. Cisco 3900 with Cisco IOS Software Feature and Protocol High-Level Support. 5 A: Power source type: AC. Options. The main features of the Cisco 7301 are: • Three times the performance compared to existing 1RU routers. The Cisco 3900 Series offers intelligent power management and allows the customer to control power to the modules based on the time of day. - Module and Router Power Consumption Cisco 2900 series and Cisco 3900 series ISRs have energy efficiency. Options. All power supplies are field replaceable and externally accessible with the exception of the Cisco 2901 ISR. Share. 01-Feb-2010. 20 Configured Mode : N/A Current runtime state same : N/A PowerSupplySource : External PS POE Module : Configured Mode : N/A Current runtime state same : N/A Total power available : 120 Watts Router# From the technical specifications section of the 3850 Hardware Installation Guide, the 1100w power supply total input power/btu is 1250w/4263BTU/h. Increased performance to run concurrent services. The Cisco 2901 ISR has an internal power supply, which requires removing the cover for replacement. Operating Temperature: 2 41 to 104°F (5 to 40°C) Operating Temperature , 3 (Short term) 4, 5 23 to 131° F (-5° to 55°C) for Cisco ASR 9006 Router, Cisco ASR 9906 Router, and Cisco ASR 9904 Router . 46. Dear all, i configured BOM CISCO2911/K9 as bellow when i select MU modules and cards it require Unified Communication Lic. See Figure 5-24 . Another method used by many industry professionals is to compare solution power consumption in the idle state. Although I didn't get much information from our own 3560. Power is distributed to each slot in the chassis from the power supply’s 42 VDC output. 4. These features include Cisco IOS Secure Sockets Layer (SSL) VPN, Cisco IOS Intrusion Prevention System (IPS), and Cisco IOS Content Filtering. Auxiliary ports. 2 PSUs. 1. ===============. 12,000 BTU is equal to ONE ton of cooling. If workloads in a data center exceed available power. Module and Router Power Consumption. . 500. The Cisco Catalyst 3750-X and 3560-X enhance productivity by enabling applications such as IP telephony, wireless, and video for borderless network experience. Rack height 1 RU Dimensions (H x W x D) 44. View online or download Cisco WS-C2950-24 Installation Manual, Product Manual. cisco. 66. materials consumption and energy usage. Can you paste the output for the show version command from the router. The phone offers easy-to-use and intuitive arrangement of lines, keys, and calls. To install a Cisco 2901 or 2911 router on a desktop, first install the four rubber feet that are supplied in the accessory kit. We have 5 Cisco 2911 manuals available for free PDF download: Configuration Manual, Installation Manual, Datasheet, Manual. Table 1. COM 2 OVERVIEW Cisco 2900 Series builds on the best-in-class offering of the existing Cisco 2800 Series Integrated Services Routers by offering four platforms (Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services Routers. PoE monitoring and policing compares the power consumption on ports with the administrative maximum value (either a configured maximum value or the. Each downstream PHY module consumes approximately 70W of. 47. Cisco 2901 router Fan issue Go to solution. 5 Video and Management Enhancements. Quick Specs Figure 1 shows the appearance of the CISCO2901/k9. The device performs power-accounting calculations when a port is granted or denied power to keep the power budget up to date. Provides 42 Integrated ports (16x1G, 24x1/10G (Dual rate), 2x100G ports) Provides the capacity to mix and match 1, 10, 40 and 100 Gigabit Ethernet interface types across the ASR 9901 chassis. The second downstream PHY module has port number 4 through port number 7. The Cisco 2900 series offers intelligent power management and allows the customer to control power to the modules based on the time of day. 50 x 17. Keep in mind a few things: - Your 250/640/1025W power supply almost certainly won't be dissipating 250/640/1025w of heat at the switch, unless at absolute-max load, at environmental limits, and all PoE devices are in the same room. it depends on what cards you install. Cryptographic. The Cisco Power Calculator supports the following Cisco. The Cisco 2901 (available separately) can be ordered with AC or POE type of power supply.