Cisco 3725 Hardware Installation Guide - Page 86
Reading Rear Panel LEDs
UPC - 746320810911
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Reading Rear Panel LEDs Appendix A Troubleshooting Table A-2 Cisco 3745 Router Front-Panel Indicators LED Indicator State SYS PS1 and SYS PS2 Off Solid green Amber -48V PS1 and -48V PS2 Off Solid green Amber Description Power supply not present, or failed. Power supply installed and operating normally. Power supply installed and powered off, or fault condition detected. -48-V power module not present, or failed. -48-V power module installed and operating normally. -48-V power module installed and powered off, or fault condition detected. Reading Rear Panel LEDs The LEDs on the rear panel of the router enable you to determine router performance and operation. Figure A-3 and Figure A-4 show the LEDs on the rear panel of the router. For an explanation of these LEDs, see Table A-3 and Table A-4. Figure A-3 Cisco 3725 Router Rear-Panel LEDs TD RD LP AL CD TD RD LP AL CD 72133 NM-HDV AL BANK 4 BANK 3 BANK 2 VWIC 2MFT-E1 BANK 1 BANK 0 CTRLR E2 LP CD CTRLR E1 SEE IBMNEASFNTOAURLAELLATION V0 EN SEE MANUAL BEFORE INSTALLATION DSU 56K FastEthernet 0/1 FastEthernet 0/0 SEE MANUAL BEFORE INSTALLATION DSU 56K SEE MANUAL BEFORE INSTALLATION CF Table A-3 Cisco 3725 Router Rear-Panel Indicators LED Indicator CF Fast Ethernet 0/0 ACT and Fast Ethernet 0/1 ACT Fast Ethernet 0/0 LINK and Fast Ethernet 0/1 LINK State Description Off CompactFlash (CF) memory card can be ejected; device is idle. Solid or blinking green Do not eject the CF; it is busy. Off Interface not receiving packets. Solid or blinking green Interface receiving packets. Off Solid green No link established. Link is established. Cisco 3700 Series Routers Hardware Installation Guide A-6 OL-2180-08