Cisco WS-C2950-24 Hardware Installation Guide - Page 27
Back Panel Slots and Connectors on the Cisco 2921 and 2951 Routers
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Chapter 1 Overview of the Routers Chassis Views 5 SYS 7 POE 9 PS2 6 ACT 8 RPS 1. LED goes off if the AC power fails or is disconnected. It does not go on and off with the power switch. 2. Power supply (PS) Figure 1-8 Back Panel Slots and Connectors on the Cisco 2921 and 2951 Routers 1 2 345 6 7 EHWIC 3 DO NOT REMOVE DURING NETWORKING OPERATION CF 1 EHWIC 2 EHWIC 1 DO NOT REMOVE DURING NETWORKING OPERATION CF 0 ISM PVDM2 PVDM1 PVDM0 EHWIC 0 EN AUX SFP E N EN S CONSOLE GE 0/2 S S G LE 0 / 0 1 USB 0 GE 0/1 L 2921 SM SLOT 1 2 11 10 11 1 10 98 1 EHWIC slots1 0,1,2, and 3 (0, Far right) 2 USB serial console port 3 AUX port 5 SFP 4 RJ-45 serial console port 6 10/100/1000 Ethernet ports (GE 0/1 and GE 0/2 (GE 0/2, Top) 7 10/100/1000 Ethernet port GE 0/0 9 USB0 and USB1 (1, Top) 11 CompactFlash3 0 and 1 (0, Right) 8 Ground 10 Service module slots2 SM1 and SM2 (1, Right on 2951), (1, left on 2921) 1. Double-wide EHWICs can fit into slot 0 and 1, and into slot 2 and 3. EHWIC slots support HWIC, VIC, and WIC. 2. Service module slots support legacy network modules when inserted with an adapter. See the router product page at Cisco.com for a list of supported modules. Cisco 2921 supports only one service module in the left slot. 3. Only Advanced Capability CF purchased from Cisco operates in Cisco 2900 series and Cisco 3900 series ISRs. Legacy CF will not operate in these routers. When legacy CF is inserted, the following error message appears: WARNING: Unsupported compact flash detected. Use of this card during normal operation can impact and severely degrade performance of the system. Please use supported compact flash cards only. 250900 OL-18712-02 Cisco 2900 Series and 3900 Series Hardware Installation Guide 1-7