RAD Data comm E1/T1 operation manual Front Panel Indicator Functions, Object Description Function

Chapter 3 OperationFCD-IPMInstallation and Operation Manual

Table 3-1. Front Panel Indicator Functions

Object	Description	Function
POWER	Green LED	ON when FCD-IPM is powered on.
READY/LOOP	Green LED	ON when packets can be transferred.
		Blinks – a loopback is active on E1, T1 or SHDSL link
LAN 1 DATA	Yellow LED	ON when a packet is received or transmitted on the
LAN 2 DATA		LAN side.
LAN 1 ERR	Red LED	ON when a LAN interface indicates an error.
LAN 2 ERR
LINK 1 DATA	Yellow LED	Turns ON briefly when a packet is received or
LINK 2 DATA		transmitted on the LINK side.
LINK1 ERR	Red LED	OFF when there is a physical connection and no LINK
LINK2 ERR		interface error.
		Turns ON briefly when LINK interface indicates an
		error.
		Continuously ON when there is no physical connection.
LINK1 RED	Red LED	ON when T1 link is in RED ALARM.
ALARM		Local unit lost frame synchronization for more than
		2.5 consecutive seconds.
SUB RED	Red LED	ON when one of the T1 sub link is in RED ALARM.
ALARM		Sub link of the local unit lost frame synchronization for
		more than 2.5 consecutive seconds.
LINK1	Yellow LED	ON when one of the T1 sub link is in YELLOW ALARM.
YELLOW		Yellow alarm signal is sent from Remote Unit to inform
ALARM		the local unit that a RED ALARM exists at the remote
		end.
SUB YELLOW	Yellow LED	ON when one of the T1 sub link is in YELLOW ALARM.
ALARM		Yellow alarm signal is sent from Remote Unit to inform
		the sub link of the local unit that a RED ALARM exists at
		the remote end.
LINK1 LOC	Red LED	ON when E1 link is in local sync loss alarm.
SYNC LOSS		Local unit lost frame synchronization for more than 2.5
		consecutive seconds.
SUB LOC	Red LED	ON when one of the E1 sub link is in local sync loss
SYNC LOSS		alarm.
		Sub link of the local unit lost frame synchronization for
		more than 2.5 consecutive seconds.

3-2 Indicators