Step 4. . QDD-400G-ZR-S – not supported. 17. Table 1 describes the end-of-life. eBay Product ID (ePID). 07-30-2009 04:12 PM. 00 Get Discount: 7: S384AESK9-15102T. Shop with confidence. Cisco. End-of-Sale and End-of-Life Announcement for the Cisco Nexus 9372PX and 9372TX Switches 06/Jan/2023. Inspect this fan. The last day to order the affected product(s) is September 29, 2012. EN US. All fan trays are composed of independent fans. The ASA 5585-X ships with one fan module and one power-supply module installed, except for the ASA 5585-X SSP-60,. Yes. Posted by Steven Spray on Sep 15th, 2014 at 3:40 AM. Our fans are covered by a lifetime warranty. Cisco UCS 6454 FI: four fan modules. 152-4. Kiku, You can just replace the Fan tray rather than replacing te complete box. Cisco 3845 Router reported Fan 2 and Fan 3 as failed. %FAN-3-FAN_FAILED: Fan 3 had a rotation error reported. Connecting Cisco Asynchronous Transfer Mode (ATM) Network Modules to the Network. This procedure replaces the air filter. Find great deals on eBay for cisco3845fanassy. Lifetime Warranty. Cisco UCS VIC 1385. Figure 1. Keep your network from over-heating with Cisco fan replacements from CablesAndKits. Cisco announces the end-of-sale and end-of-life dates for the Select Cisco Integrated Services Router Bundles for China. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility. 00 Get Discount: 57: 3900-FANASSY-NEBS. 211 and 12. Consistent with FAR 12. Table 1. 69. Hewlett Packard Enterprise Support CenterFan module fault LEDs (one behind each fan connector on the motherboard). Tuesday, October 03, 2023 Product SearchFan status: Normal. Replacing a Cisco Nexus 7018 Fan Tray During System Operations. QDD-400G-ZRP-S – supported on even-numbered 400G ports. This introduction section is followed by the “Cisco 3825 and Cisco 3845 Routers” section on page 2, which details the general features and functionality of the router. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content Installing and Upgrading Internal Components in Cisco 3800 Series Routers 31 Removing and Installing the Fan Tray and Power Supplies in a Cisco 3845 and 3845-NOVPN Router Fan Tray Assembly on the Front Panel of a Cisco 3845 and 3845-NOVPN Router 117045 Figure 76 Step 2 To remove a power supply, use a flat-blade or number 2 Phillips screwdriver. We ship Worldwide. 8 In Stock - Ships Tomorrow $54. The Cisco MDS 9124 Switch does not have field-replaceable. $250. Dell PowerConnect 3024 switch's Fan Kit | CISCO 3900 Genuine Fan Replacement 3900-Fanassy-Nebs | IBM X3650 Cooloing. Options. Shipping & Delivery. Cut the connector and a length of wire from both the stock fan and the new Scythe fan and strip about 1/2″ of insulation off the ends. Although this data sheet focuses on Cisco standalone analog gateways, the Cisco VG Series Analog Voice Gateways also provide high-density analog service modules (SM-D-72FXS and SM-D-48FXS-E) that are deployed on Cisco Integrated Services Routers (ISRs). Fan status: Normal. Cisco announces the end-of-sale and end-of-life dates for the Cisco Nexus 2248TP GE, Cisco Nexus 2348UPQ 10GE and Cisco Nexus 2348TQ 10GE Fabric Extenders. 10,000 ft maximum except CCC 1 only up to 2000 meters. Ref:Cisco 3845 routers provide a scalable, secure, manageable remote access server that meets FIPS 140-2 Level 2 requirements. CISCO 3900 Genuine Fan Replacement 3900-Fanassy-Nebs Fans for 3900-FANASSY-NEBS= - 3925/3945 FAN ASSEMBLY F/ NEBS W/3900-FANFLTR-NEBS PC parts wholesale for heatsink cooler, I/O controller card, cooling fan, usb hub, hard drives adapter, computer cable, modems, computer systems and more Removing and Installing the Fan Tray and Power Supplies in a Cisco 3845 Router. Chassis Airflow. Reply. Cisco Replacement Screws; Filler Panels / Spacer Blanks; Rack & Cabinet Accessories; Rack Adapters;. The 48 downlink ports on the 93180YC-FX3S are capable of supporting 1-, 10-, or 25-Gbps Ethernet, offering deployment flexibility and investment protection. Find more the Cheap Price and More Promotion for Cisco 3845 Fan and Faceplate Assembly (Used):. Please review it here, under "System Power (AC/DC)". Cisco 3900 Fan Cisco 3900 Fan Replacement. The 1,870 sq. Cisco - Cisco 3845 Fan Assembly and Bezel Connecting a T1/E1 Network Module to a Network. Subscribe. The top fan tray cools slots 1 through 9 and the fabric modules, and the bottom. Table 1. Miguel Rodríguez. 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 bulletin. SKU: 17348 Model: FAN-CISCO-3845 Condition: New Availability: In stock. AUX(-48V) PS2 is absent. Here is the part number for 3825: ACS-3825-FANS=. Use straight-through RJ-48C-to-RJ-48C cables to connect T1/E1 ports to RJ-48C jacks. 3825 Fan assembly. Please review it here, under "System Power (AC/DC)". Cisco announces the end-of-sale and end-of-life dates for the Cisco Catalyst 4500-X Series Switches. View all Cisco 3845 manuals. There's a DC power-socket connecting the chassis fan to the MB. A maximum of one ATM OC-3 network module is recommended on the Cisco 3825 and Cisco 3925, and a maximum of two ATM OC-3 network modules are recommended on the Cisco 3845 and Cisco 3945. Note. This Cisco CISCO3845FANASSY 3845 Fan Assembly and Bezel is in refurbished condition and is fully guaranteed by our 90-day warranty. Free Shipping. Shipping & Delivery. Hot-plug replacement—You must take the component offline before removing it for the following component:. Related Products. The Cisco Nexus 9332C is a compact form-factor 1-Rack-Unit (1RU) spine switch that supports 6. Description. I have a 3825 with fan 3 failing according to syslog messages. Products. 4. Reviews (0) Cisco CISCO3845FANASSY Cisco3845 Fan Assembly and Bezel 3845. Basically, you'd be seting it up to not do any routing that way. 479K bytes of NVRAM. 79. Book Contents Book Contents. 1 Accepted Solution. The Cisco UCS 6454 FI and the Cisco UCS 64108 FI use different fan modules. . +AU $12. 1 The input voltage tolerance limits for nominal 24/48 V power supplies are 18 and 72 VDC. About this product. front cooling fan There is currently no replacement product available for this product. Hi Amin, According to the installation guide, the 4507R comes with one fan tray and 6 fans. Cisco's End-of-Life Policy. End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 16. Fan 3 Normal. Table 2 Port Numbering on T1/E1 HWICs and. Condition: Quantity: Add to quote. 3 x Noctua NF-A4x20 FLX fans from a Newegg 3rd party seller. To verify the fan speed, use the show environment command. 2 mm) EIA standard racks. The EVM-HD-8FXS/DID Cisco high-density extension module is connected to a distribution frame or patch panel with an RJ-21 cable. For example, the Cisco UCS M5 platforms installed with the Intel Xeon Scalable Platinum 8168 CPU operates at a base frequency of 2. Cisco Replacement Handset For 7800 amp; 8800 7821 7841 7861 8841 8845 8851 8861. The fan tray has an LED indicator to indicate fan tray status. cisco isr 3845 datasheet. contact your customer service representative for one of the following replacement parts: Cisco Nexus 5596 fan modules (N5596UP-FAN=) Cisco Nexus 5548 fan modules (N5548P-FAN=) Cisco Nexus 5020. Options. Condition: New. Fan 3 Normal. The Cisco industrial din-rail power supplies offer a variety of rugged, reliable, and compact AC and DC power supply options to power Cisco’s industrial Ethernet switches, industrial routers (including industrial gateways), and industrial computing products. Support for 3G offers cost-effective, rapidly. Complete failure of one fan tray causes the remaining fan tray to operate its fans at full speed continuously until a replacement fan tray is installed. Cisco Replacement Handset. I would first conside HW problem - check if FAN has any visible or soundable issue when you inspecting it closely. Cisco 3845-FANASSY Faceplate & Fan Assembly 3845 FAN Used Tested. DLSWR-01#sh ver | i IOS. After receiving your order, take. The LCC has a maximum airflow of 2700 cubic feet (76,455 liters) per minute. item 1 Cisco 3800 Series 800-23734-01 CISCO3845FANASSY Fan Assembly New Other Cisco 3800 Series 800-23734-01 CISCO3845FANASSY Fan Assembly New. 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 bulletin. This 2960-S switch lives in my home office, but the old 12V centrifugal fan it came with was very noisy. EoS and EoL for 128 MB Memory for Cisco 7200 Series NPE-400. Customer Service. (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit. Fan 2 Normal. 84145990. 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 bulletin. Tuesday, October 03, 2023 Product SearchFan status: Normal. The warranty includes hardware replacement with a 10-day turnaround from receipt of a Return Materials. Optionally, you can include a door and air filter. ) Step 2 Slide the fan assembly out of the chassis and set it aside. Depth: 16. Fan 2 Normal. $42 shipped. Log In. Step 2 Connect the other end to the RJ-48C jack at your site, as. 1. This section provides instructions for removing and installing the fan modules for the Cisco MDS 9140. Slip on a small bit of. 15216 LC LC. To purchase the vehicle, the purchaser must also pay $3,000 for a 5year limited warranty for the vehicle -psecom Encogen Generating Station Ensuring reliable electric service Puget Sound Energy strives to ensure reliable electric service at a reasonable cost by acquiring. Government under vendor's standard commercial license. Buy or Renew. ) Step 2 Slide the fan tray into the fan tray bay until the power connector seats in the chassis fan connector and the captive installation screws make contact with the chassis. Showing 1-2 of 2. 11 In Stock - Ships MondayToggle menu. End-of-Sale Date: 2014-01-09. The last day to order the affected product(s) is November 4, 2022. Shop with confidence. Cisco's End-of-Life Policy. Table A-1 lists the operational limits of the Cisco 812 ISR. 5 Gbps up to 36 Gbps with no hardware upgrade. Cisco Switching/Routing :: 3845 Gigabit Interface ; Cisco Switching/Routing :: 3845 - CPU High Due To TPLUS Process ; Cisco Switching/Routing :: 3845 CPU Utilization Reaches 100 % When NM-1T3/E3 Is Enabled; Cisco Switching/Routing :: 3845 Show Version Interpretation; Cisco Switching/Routing :: ISR 3845 - No More Than 1023 Classmaps. CIR 154400000 (bps) Max. To replace Cisco 4451-X ISR, Cisco 4431 ISR, and Cisco ISR4351 fan trays, see the “Replace a Fan Tray” section. Cisco Umbrella Branch. Get shipping and tax estimate by adding the item into your shopping cart. Fan 1 Normal. Evercool EC8020M12CA 80MM Fan | Delta FFB0812SHE-PWM 80MM Fan | CISCO 3845 80MM Fan Kit | Sanyo Denki. Cisco 3900-Fanassy Faceplate & Fan Assembly For 3925/3925E/3945/3945E Router;. My 3845 cisco router had an issue with the fan board, one of them was with a failure, we've changed the board, and. 2 ( NME-WAE-502-K9 module ) will TACACS ask for authentication even though the module is a new module. Secure Copy. Product Overview Integrated wireless controller capability with:Hello, I would first conside HW problem - check if FAN has any visible or soundable issue when you inspecting it closely. 2 bpps. Select Currency: USD US Dollars; EURO GBP Compare ; CartFind great deals on eBay for cisco3845fanassy. export@cisco. 3 Determine Fan-Tray and AIP Replacement Compatibility . Buy & sell new & used Cisco ISR 3845 router, cisco 3845 power supply, fan assembly hot swap, datasheet, etc. Note this is the wrong forum, question goes to "Voice - IP Telephony". Subscribe. This home was built in 1987 and last sold on for. Options. Primary Slot For Cisco Card NIC Mode. Quantity: BUY NOW. 0". Before removing the air filter for replacement, you should have a spare filter on hand; follow the air filter replacement procedure in the Cisco CRS Carrier Routing System Enhanced Chassis 16-Slot Line Card Chassis Installation Guide. Booting Cisco Nexus 9000 Series Switches with a Cisco ACI or NX-OS Image 07/Aug/2019. Login to YUMPU News Login to YUMPU Publishing . Cisco's End-of-Life Policy. Each provides a high-performance, centralized, shared-memory switch fabric, protecting your line-card investment by supporting the addition of optional higher layer engines (Table 2). com FREE DELIVERY possible on eligible purchasesThe Cisco® Catalyst® 9500 Series switches are the next generation of enterprise-class core and aggregation layer switches, supporting full programmability and serviceability. Cisco 3845 Accessory Kit (ACS-3845RM-19, Power Cord, Console Cable) Model #: ACCY-3845-KIT Condition: New. Cisco 2821/51 Fan Replacement Kit. Follow the “Removing and Installing the Fan Tray and Power Supplies in a Cisco 3845 and 3845-NOVPN Router” procedure on page -31. Our fans are covered by a lifetime warranty. Figure2:FanModuleforCatalystWS-C3850-48XSSwitchModels FanstatusLED (red/green) 1 Fanassemblylevers 3 Fanassemblyretention latch 2 Fans 4. Yes. Cisco 3845 V3PN Bundle with IOS Advanced IP Services, PVDM2-64, AIM-VPN/HPII-PLUS, FL-CCME (240 users),64 MB Flash/256 MB DRAM. Voice Support Local conferencing-Digital signal processor-Cisco Unified Survivable Remote Site-Telephony-Cisco Unified Communications-Call Manager Express-Cisco Unity Express-Cisco Unified Border Element-Nano Cisco Unified Border. The fan tray can be removed in a Cisco 3845 while the router is fully operational in order to service a redundant power supply. Fan tray or air filter — Replacing a Fan Tray or Air Filter. To maximize switch port density, two 48-port Cisco EtherSwitch service modules should be used on the Cisco 3845 series router. $68. To maximize switch port density, two 48-port Cisco EtherSwitch service modules should be used on the Cisco 3845 series router. Removing and Replacing the Fan assembly: Removing a Cisco 3845 Fan Assembly: Installing a FIPS Louver (Cisco 2911 routers only) — Packet Voice Data Modules (PVDM) — Installing and Removing PVDM3s. After the September 2004 sale date, the Cisco 3845 EOL hit in 2011. Customer Service. Chinese; EN US; French; Japanese; Korean; Portuguese1. or Best Offer. Hi, ive been trying to find the temperatures at wich the fans on the 3845 router will engage the highspeed fans? as we have some of these routers installed at branch offices, and they are engaging the loud fans. 1 Subrate T3/E3 port. Power Supply and Fan Module Installation. The feature set is common across the 1 RU to 13 RU size range. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in VoIP Business Phones/IP PBX. Cisco Umbrella Branch. Options. Request A Quote. Share. Cisco 3800 Series 3845 2-Port Gigabit Wired Router w/ 2FE2W-V2 & Rackmount Ears. (See Figure 4-4. Installing and Removing PVDM2s. 90- and V. English; Español; Français; Categories . Weight (Approximate): 45. Options. We recommend that you change the air filter every three months. The Cisco Nexus 3548 and 3524 have the following hardware configuration: 48 fixed Enhanced Small Form-Factor Pluggable (SFP+) ports (1 or 10 Gbps); the Cisco Nexus 3524 enables only 24 ports Dual redundant hot-swappable power supplies Four individual redundant hot-swappable fans One 1. Safety with Electricity - fan replacement. S1-std. 11-Nov-2020. You can view a listing of available Branch Routers offerings that best meet your specific needs. Note: this is a DIY installation fan, you need to connect the wires on each new fan to the original connector. Find quality power supply accessory products at discounted prices. Find more the Cheap Price and More Promotion for Cisco 3845 Fan and Faceplate Assembly (Used):. 9 kg) Cisco Nexus 9348GC-FXP without power supplies or fans. In most cases, the 2 RU sized Cisco ASR 1002-X will be the appropriate replacement. The fans support 2+1 redundancy. Please rate this if u find useful. 75 bath property. Page 2 SECURE NETWORK. module, enhanced-network-module (NME), enhanced-extended-network-module. This can damage the pins on the switch if they are not aligned with the module. The Cisco UCS 6454 FI and the Cisco UCS 64108 FI use different fan modules. Step 1 Position the replacement fan tray in front of the fan tray bay at the rear of the chassis. AUX(-48V) PS1 is absent. I am trying to find a replacement fan, but only can findCisco announces the end-of-sale and end-of-life dates for the Cisco Select ISR Products and Software. Buy Cisco Network Accessory CISCO3845-V/K9-RF. 20A Speed: Front:7500 RPM / Rear:6500 Bearing: Ball Feature: Speed Sensor (Tachometer Output); PWM Speed Control Mounting Style: Flanged Termination: 4-Pin X2 with PWM Function#1 ☺Cisco 3845 Fan and Faceplate Assembly (Used): CISCO3845FANASSY Reviews 2013. Remove the two screws from the top of the router and set them aside in a safe place. 00. Home | My Account | | Wish List | About Us. Fan Speed is Normal. The second power supply provides redundancy, load sharing, and increased router availability. Cisco Cloud Web Security. Learn more about how Cisco is using Inclusive Language. Descriptions / Features / Specifications. Cisco SG500 52P Super Quiet Cisco Replacement Fan Kit 4x new fans 18dBA Noise. Table 1. 100% Satisfaction Guaranteed. A fan module that is only partially connected to the switch can disrupt the system operation. com. 4 lb (7. Cisco. $250. The fan is a "fan wheel". Providing quality memory products since 1986 Blog 1-800-821-3354 Call: 1-800-821-3354 The replacement part came with the standard Cisco return packaging: a sticker with an RMA #, a "manual" paper UPS label, and instructions to use their on-line tool [URL]. $79. Explanation The specified fan is not rotating at the desired speed. Confidential computer software. Find quality network router products at discounted prices. Minimum Cisco IMC Firmware. Hello, We have a router were the FAN is faulty and we are getting replaced, but the. Hardware Supported . Step 2 Place the fan assembly into the fan assembly bay so it rests on the chassis, and then lift the fan assembly up slightly, aligning the top and bottom guides. 79. Cisco announces the end-of-sale and end-of-life dates for the Cisco Nexus 3524-X, 3548-X. M11. Cisco: Cisco 3845 Fan Assemblyand Bezel: 20: 국내재고(장) CISCO3845: Cisco: 3845 w/AC PWR,2GE,1SFP,4NME,4HWIC, IP Base, 128F: 20: 국내재고(장)Cisco announces the end-of-sale and end-of-life dates for the Cisco VG224 Analog Voice Gateway. Cisco 3560G-24PS/48PS Series Switch Replacement Chassis Fan. Installing an AC-Power Supply. 3825 and 190 and 210 Mbps in the Cisco 3845 (IPSec IMIX and 1400-byte packets). 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 bulletin. Yes. please check below. I also removed the tach (blue) wire since it serves no purpose with a 2-wire fan. 0. The Cisco CISCO3845FANASSY= Products has been discontinued. Step 3 Hold the fan tray assembly with both hands and insert the connector end of the fan try into the fan tray assembly housing channel. If the filter appears worn or torn, dispose of it in a responsible manner and install a replacement air filter. This is a replacement faceplate and fan for Cisco 3845 router. 3 all versions. Fan Speed is Normal. 212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U. Cisco 3845 INT VOICE/VIDEO, IPIPGW, TDMIP GW AES. Yes. A Cisco 3745 router with a DC-input power supply requires copper wire for the power connections. Find many great new & used options and get the best deals for (DIY) 3-Pack Replacement Fans for Cisco 3845-FANASSY Fan Assembly 800-23734-01 at the best online prices at eBay! Free shipping for many products!Netgear Switch GS748T Fan Kit 1 x 4020 Fan 2 x 4010 Fan Termination: 4-Inch, RED/BLACK PC parts wholesale for heatsink cooler, I/O controller card, cooling fan, usb hub, hard drives adapter, computer cable, modems, computer systems and moreIndustry leading supplier of the Cisco 3845 Fan Assembly and Bezel. Brand. Hold the fan module with the LED and PID label at the top. 79 Quantity: Cisco 2821/2851-1/2 Router Replacement Chassis Fan Model #: ACS-2821-51-FAN-1/2 Condition: New 4 In Stock - Ships Today $19. Subscribe. Explanation The specified fan is not rotating at the desired speed. As all of you know its not support by Cisco any more but we need the below IOS: c3845-adventerprisek9-mz. Breakout cables are not supported. End-of-Support Date: 2021-10-31 . Cisco's End-of-Life Policy. This feature ensures that only a Cisco-signed ISE image can be installed on the SNS 3515 and SNS 3595 appliances, and prevents installation of any unsigned operating system even with physical access to the. Replacing the Air Filter Frame. Price: $120. Options. 212, Commercial. Once you open the front (2 screws). 1. cisco 3845 isr price. We specialize in obsolete and hard to find OEM replacement parts. Lifetime Warranty. Cisco announces the end-of-sale and end-of life dates for the Cisco 3800 Series Integrated Services Routers. Fan Modules. 4. 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 bulletin. I'm tasked with replacing a faulty fan in our 3825. 6 mm) or 23-inch (584. Cisco - Cisco 3845 Fan Assembly and Bezel Need a different version? See all Cisco Parts Accessories . See Cisco's policy and instructions regarding. A fan module that is only partially connected to the switch can disrupt the system operation. Most of the buyer reviews say that the Cisco 3845 Fan and Faceplate Assembly (Used): CISCO3845FANASSY are excellent product. 00. thumbscrews 2 Rotate ejector levers outward Step 3 Step 4 Step 5 Step 6 Make sure that the ejector levers on the new or replacement power. The system will detect and notify the user (through LED, command-line. Cisco announces the end-of-sale and end-of-life dates for the Cisco 7200 Series Routers. $19. Cisco 3845 Fan Replacement. • The Cisco 1841 Series Module (AIM-VPN/SSL-1) c can provide hardware-based SSL VPN encryption of 5 Mbps with a Maximum of 50 Users. RJ-21 cables are not provided with the network module. Cisco 3845 ADVANCED ENTERPRISE SERVICES. DRAM configuration is 64. 7 cm; 1. In this video you will learn how to replace a fan tray or fabric card in Cisco NCS 5500 chassis while the router is operational. 09-09-2014 09:30 PM. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility. 7024424 ASYY COOLING FAN TRAY CISCO 4948E-F SWITCH REAR EXHAUST WS-X4993-F (FAN) (COO:MEXICO) (FOR INTERNAL USE ONLY) Malaysia. Customers. 17. PCIe 1. 1Removing and Installing the Fan Tray and Power Supplies in a Cisco 3845 Router Step 2 To remove a power supply, use a flat-blade or number 2 Phillips screwdriver to loosen the two captive thumbscrews. 08-07-2008 06:45 AM. To connect a T1/E1 port to the network, complete the following steps: Step 1 Connect one end of the cable to a T1/E1 port on the network module. 3-Pack Extra-Cooling New OEM Replacement Fans Compatible for Cisco 2821/2851 ACS-2821-51-FANS= Visit the Cisco Store. Cisco CISCO3845FANASSY= Part Number : CISCO3845FANASSY= Manufacturer : Cisco Product Family : Description : CISCO 3845 FAN ASSEMBLY AND BEZEL. bin because the old has been deffered on Cisco site. Width: 17. 06-04-2013 09:40 AM. MPN. 4 In Stock - Ships Today $19. It offers switchable performance from 2. 79. Yes, you can replace it without shutting down the router. End-of-Sale and End-of-Life Announcement for the Cisco Catalyst 4500 Supervisor Engine 6L-E. The Cisco 3825 supports one Cisco High-Density Extension Module, and the Cisco 3845 supports one or two high-density extension modules. Install the fan module in the fan slot, and firmly push it into the slot, applying pressure to the end of the module, not the extraction handles.