IBM FAStT500 User Guide - Page 86

E emergency shutdown 23 Ethernet ports 7 F failure/fault indicator light battery 16, 35 fan and communications indicator light 19 fan and communications module hot swapping 42 overview 42 replacing 43 servicing notes 42 fast write cache indicator light checking before shutdown 13, 25 conditions indicated 17 fault indicator light battery 16, 18 controller CRU 16 fiber-optic cables handling precautions 4 installing in GBICs 5 removing protective caps 5 Fibre Channel connections 3 interface ports 7 firmware on controller CRU auto-synchronization 30 front view of controller unit 1 full charge battery indicator light 16, 18 full charge light on battery 38 G GBICs described 51 hot swapping 51 indicator lights on mini-hub 51 installing fiber-optic cables 5 replacing failed 52 servicing notes 51 Gigabit Interface Converter. See GBICs H heartbeat indicator light on controller CRU 16 host side mini-hub 6 hot swap controller CRU 30 controller fan 40 fan and communications module 42 GBICs 51 mini-hub 48 I I/O (input/output), stopping before shutdown 13, 25 indicator lights battery 16, 18 bezel 32 controller CRU 16 controller fan 16, 17 fan and communications module 18, 19 mini-hub 19, 20 overview 15 power supply 18, 19, 46 interface ports Ethernet 7 RS-232 7 L life expectancy of battery 24 lights, indicator battery 16, 18 bezel 32 controller CRU 16 controller fan 16, 17 drive enclosure activity during parity check 13, 25 fan and communications module 18, 19 mini-hub 19, 20 overview 15 power supply 18, 19, 46 M maintenance, battery 35 manufacture date, battery 24 memory, cache and battery backup 35 memory, installing 256 MB cache upgrade 33 mini-hub described 48 drive side 6 host side 6 66 IBM FAStT500 RAID Controller Enclosure Unit User's Guide