CISCO3925/K9 Overview The Cisco 3925 router, modular Services Performance Engine (SPE) 100, which can be upgraded for even higher performance as next-generation WAN environments evolve. Table 2 shows the LEDs area description. LED Description SYS status LED Solid green Solid green indicates normal operation. Blinking green System is booting or is in ROM monitor mode. Amber System error. Off Power is off or system board is faulty. ACT status LED Solid or blinking green Solid or blinking indicates packet activity between the forwarding and routing engine and any I/O port. Off No packet transfers are occurring. POE Green IP phone power is on. Amber IP phone power is not on. PS1 / PS2 Green System is running. Amber System is not running. Figure 3 shows the back panel of the Cisco router 3925/K9 with LEDs. Note: ①Compact flash 0 and 1 (0, right) ② ISM ③ PVDM3 0,1,2 and 3 (0, far right) ④ EN (Enable USB console) ⑤ EN (Enable RJ-45 console) ⑥ SFP S ⑦ SFP EN ⑧ S (Speed) ⑨ L (Link) Table 3 shows the description of these LEDs on the back panel. LED Color Description Location CompactFlash 1 Green Flash memory is busy. Back Panel Amber Initialized with error. Blinking Green then turns off CompactFlash is ready for removal. CompactFlash 0 Green Flash memory is busy. Back Panel Amber Initialized with error. Blinking Green then turns off CompactFlash is ready for removal. S (Speed) 1 blink + pause GE port operating at 10 Mb/s. Back Panel 2 blink + pause GE port operating at 100 Mb/s. 3 blink + pause GE port operating at 1000 Mb/s. L (Link) Green GE link is established. Back Panel Off No GE link is established. EN (RJ-45 console port) Green The RJ-45 console port is active. Back Panel EN (USB serial console port) Green The USB console port is active. Back Panel ISM Green Initialized. Back Panel Amber Initialized with error. Off Not installed. PVDM3 0,1,2 and 3 Green PVDM is initialized. Back Panel Amber PVDM is detected but not initialized. Off No PVDM installed. SFP S Blinking green Blinking frequency indicates port speed. Back Panel SFP EN Off Not present. Back Panel Green Present and enabled. Amber Present with failure.
