Used Condition Compact Flash Memory Card 2GB DRAM 1 DIMM For Cisco 2901 / 2911 / 2921

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MEM-2900-2GB 2GB DRAM (1 DIMM) for Cisco 2901 / 2911 / 2921 / ISR, Spare Warranty: # We promise the product is original Cisco, tested well before shipment. Guaranteed Non-DOA # We offer a 90days warranty for used equipment, should the equipment you purchase have any working defects during the warranty period we will replace the unit. (Artificial damage and malfunction caused by misuse are not within the scope of warranty) # 1-year warranty for New equipment, all new items are new sealed in Cisco Box. Shipping: # All items are professionally packed using packing materials that will protect the equipment from getting damaged. Guaranteed Non-DOA # We ship all items worldwide. Please contact us for shipping costs and instructions # We can ship via UPS, DHL, EMS, FEDEX and any other ways upon request.to ensure it's most convenience for you Installing and Removing DRAM DIMMs Remove the chassis cover or remove the SPE as described in the Accessing Internal Modules section. Caution Always wear an ESD-preventive wrist strap and ensure that it makes good contact with your skin when you remove or install DIMMs. Connect the equipment end of the wrist strap to the metal part of the chassis. Caution Handle DRAM DIMMs by the edges only. DIMMs are ESD-sensitive components and can be damaged by mishandling. Locating and Orienting DRAM DIMM Cisco 2901, 2911, and 2921 routers have a single DRAM DIMM socket on the system board. Cisco 2951 and Cisco 3900 series have two DRAM DIMM sockets on the system board that are identified as DIMM 0 and DIMM 1. See the Locating Internal Modules section to find DIMM connectors on the router. DRAM DIMMs have a polarization notch on the mating edge to prevent incorrect insertion.shows the polarization notch on a DRAM DIMM. Caution DIMMs and PVDM3s plug into similarly sized sockets. Only the polarization notch differs. Look for the polarization notch shown in Figure 5-8 before inserting a DRAM DIMM in the socket. Figure 5-8 DRAM DIMM Showing Polarization Notch - - - - 1 | Polarization notch | | | - - - - Removing a DRAM DIMM Follow these steps to remove a DRAM DIMM: Step 1 Read the Safety Warnings section section and disconnect the power supply before you perform any module replacement. Step 2 Remove the chassis cover. For Cisco 2900 series ISRs, see the Removing and Replacing the Chassis Cover section. For Cisco 3900 series ISRs, see the Removing and Replacing the Services Performance Engine section. Step 3 Locate the DRAM DIMM module. See the Locating Internal Modules section to find the DRAM DIMM sockets on the router. Step 4 Pull the latches away from the DRAM DIMM at both ends to lift the DIMM slightly. Pull the DIMM out of the socket as shown in Figure 5-9. Figure 5-9 Removing a DRAM DIMM Step 5 Place the DIMM in an antistatic bag to protect it from ESD damage. Step 6 Replace the chassis cover. For Cisco 2900 series ISRs, see the Removing and Replacing the Chassis Cover section. For Cisco 3900 series ISRs, see the Removing and Replacing the Services Performance Engine section. Installing a DRAM DIMM Note Unregistered DIMMS (UDIMMs) and very low profile (VLP) RDIMMs are not interchangeable. Follow these steps to install a DRAM DIMM: Step 1 Read the Safety Warnings section section and disconnect the power supply before you perform any module replacement. Step 2 Remove the chassis cover. For Cisco 2900 series ISRs, see the Removing and Replacing the Chassis Cover section. For Cisco 3900 series ISRs, see the Removing and Replacing the Services Performance Engine section. Step 3 Locate the DRAM DIMM module. See the Locating Internal Modules section to find the DRAM DIMM sockets on the router. Step 4 Make sure that both latches on the DIMM connector are in the open position. Step 5 Orient the DIMM so that the polarization notch lines up with the polarization key on the connector. See Figure 5-10. Caution DIMMs and PVDM3s plug into similarly sized sockets. Only the polarization notch differs. Look for the polarization notch shown in Figure 5-10 before inserting a DRAM DIMM in the socket. Figure 5-10 DRAM DIMM Showing Polarization Notch Step 6 Insert the DIMM into the connector. Step 7 Carefully and firmly press the DRAM DIMM into the connector until the latches close onto the DIMM. Make sure that both latches rotate to the closed position against the DIMM. See Figure 5-11. Figure 5-11 Installing a DRAM DIMM Step 8 Replace the chassis cover. For Cisco 2900 series ISRs, see the Removing and Replacing the Chassis Cover section. For Cisco 3900 series ISRs, see the Removing and Replacing the Services Performance Engine section.

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