User's Manual

Table Of Contents
1027144–0001 Revision D 3–30 Installing indoor RT equipment
RT installation
Module status LEDs
Included on: All SSIs and FEMs
OK
STATUS
ALARM
()Red
On
Flashing
: Hardware failure
:TDM bus
communication failure
()Green
On: Normal operation
or module startup
T0009035
Link status LEDs
Included on: DS3–TDM, DS3–ATM, and DS–3 transparent SSIs
IDU FEM and EIDU FEM
LED indications are the same for SSIs and FEMs.
T0009036
IDU FEM
OK
ALARM
Tx Rx
EIDU FEM
Arrows point to
link status LEDs.
()Red
On: Alarm
()Green
On: Normal operation
SSI