User's Manual

Exalt Communications Inc.
EX-2.4i Installation and Maintenance Manual
Page 14
MAN-002400, Revision 001
2005-12-01
Red Blink = No remote information available
Off = System is not properly powered/system failure
Status 3-color
LED
Indicates system status:
Green Solid = No alarm conditions (normal operation)
Yellow Solid = Alarm conditions, not traffic effecting
Yellow Blink Slow = In loopback (from this end)
Yellow Blink Fast = In loopback (at this end)
Red Solid = Alarm conditions, traffic effecting
Red Blink = No remote information available
Off = System is not properly powered/system failure
T1/E1 3-color
LED
Indicates T1/E1 support:
Green Solid = T1/E1 interfaces supported
Yellow Solid = T1/E1 interfaces supported, but disabled
Off = T1/E1 support not alarmed; System is not properly
powered/system failure
DS3 3-color
LED
Indicates DS3 support:
Green Solid = DS3 interface is supported
Yellow Solid = DS3 interface supported, but disabled
Off = DS3 support not alarmed; System is not properly
powered/system failure
Left Corner Data Green
LED
Solid = Negotiated @ 100Mbps
Blink = Negotiated @ 10Mbps
Off = No connection negotiated
Right Corner Data Green
LED
Solid/Blinking = Data is present
Off = No data present
Left Corner T1/E1 Green
LED
Solid = Connection present (clocking confirmed)
Blink Fast = Connection present, coding/clock problem
Blink Slow = Connection present but unexpected
Off = No connection/clock
Right Corner T1/E1 Yellow
LED
Solid = Loopback
Blink Fast = AIS
Off = No loopback, No AIS
Remote End Button Amber
LED
Off = Remote end Link & Status LEDs are both green
Solid = There is no remote end status available
Blink = There are alarm conditions (Link and/or Status
LEDs are non-green) at the remote end
Sync In Left Corner Green
LED
On = Sync input connected
Off = Sync input not connected
Sync In Right Corner Green
LED
Unused
Sync Out Left Corner Green
LED
On = Sync output connected
Off = Sync output not connected
Sync Out Right Corner Green
LED
Unused
Summary (Rear Panel) 3-color
LED
Indicates overall status (from the rear panel):
Green = Link and Status are both green