User's Manual

Exalt Communications, Inc.
Exalt i-Series Installation and Management Guide
5000001 52
2007-04-15
Location/Label Type Function
T1/E1
Left Corner
Green
LED
Solid = Connection present (clocking confirmed)
Fast Flash = Connection present; coding/clock problem
Slow Flash = Connection present, but unexpected
Off = No connection/clock
T1/E1
Right Corner
Green
LED
Solid = In a loopback state
Fast Flash = Automatic indication signal (AIS) is active
Off = No loopback; no AIS activity
RMT
(LED inside button)
Amber
LED
Off = Remote end LINK and STATUS LEDs are both green
Solid = No remote end status available
Flash = Alarm conditions at the remote end (LINK and/or
STATUS LEDs are non-green)
SYNC IN
Left Corner
Green
LED
Solid on = GPS is normal (no alarms)
Flash = GPS is in alarm
Off = No GPS source detected
SYNC IN
Right Corner
Green
LED
Solid on = Sync locked, no alarms
Flash = Sync signal detected, but not locked
Off = No input sync signals detected
SYNC OUT
Left Corner
Green
LED
Solid on = Radio configured as SYNC SOURCE
Flash = Radio configured as AUTO SYNC
Off = Radio configured as SYNC RECIPIENT or sync is disabled
SYNC OUT
Right Corner
Green
LED
Solid on = SYNC SOURCE is external (GPS 1 pps)
Off = SYNC SOURCE is internal
(Unmarked LED on rear
panel)
2-color
LED
Indicates overall status (from the rear panel):
Green = LINK and STATUS LEDs are both green
Red Flash = LINK and/or STATUS are in a yellow state; no red
states exist
Red Solid = LINK and/or STATUS are in a red state
Off = Improperly powered or fatal system failure