Vanguard Managed Solutions 7300 Series Rear Panel LEDs, System status information, Cabling

Vanguard 7300 Cards

Rear Panel LEDs	The T3/E3 Rear Transition Module offers four LEDs to provide operation and
	system status information:
LED	Color		Indication
CSU - Status	Amber	• OFF - The module has failed internal startup check
		• ON - Normal module operation
		• Flashing - loopback is active (internal or line)
Rx - Status	Amber	• OFF - The module is currently booting and not active
		• ON - Normal receive
		• Flashing - Receive failure state. The number of flashes between
		pauses indicates these types of errors:
		–	1 = Alarm Indication Signal (AIS) if received for 2 seconds. If
			absent for 10 seconds, the signal is gone
		– 2 = IDLE (T3/E3)
		– 3 = Remote Alarm Indicator (RAI) if received for 1 second. If
			absent for 1 second, the signal is gone
		– 4 = Loss of Frame (LOF) or Out of Frame (OOF) if received for
			2 seconds. If absent for 10 seconds, the signal is gone
		–	5 = Loss of Signal (LOS) if received for 2 seconds. If absent for
			10 seconds, the signal is gone
		–	6 = Loss of Lock (LOL) if received for 2 seconds. If absent for
			2 seconds, the signal is gone
LCD - State	Amber	• OFF - Normal ATM cell delineation
		• ON - Loss of cell delineation
USR - Manually Set	Amber	• OFF - Not Used
Cabling
	Refer to Appendix B, Vanguard 7300 Cable Connectors and Pinouts for T3/E3 Rear
	Transition Module cabling.

Vanguard 7300 Enclosures and Components 2-31