3.0 ADDITIONAL INFORMATION
3.1 LED Indications
(A pulsing LED blinks steadily at a rate of once per second. A flashing LED blinks at a
more rapid, less constant rate.)
3.2 Regulatory Compliance
T1 RJ45 PINOUT
Pin 1 Rx Ring
Pin 5 Tx Tip
Pin 2 Rx Tip
Pin 6 not used
Pin 3 not used Pin 7 not used
Pin 4 Tx Ring
Pin 8 not used
LED
State
Indication
Additional Information
Port 1
Lnk and
Port 2
Lnk
flashing
green
T1 connection is established and
active
Traffic is flowing.
solid green
problematic T1 connection
A connection exists but there is indication of
a problem with the T1 line.
no
illumination
Red Alarm
The incoming connection to the
UIM-2T1 has been lost; no data is
being received.
If the outgoing connection from the UIM-
2T1 has also been lost then the remote T1
equipment is in Red Alarm as well.
Port 1
Alm and
Port 2
Alm
no
illumination
T1 is operational
An established T1 link has no alarm
indications and is operational UNLESS the
T1 Lnk LED remains unlit as well, in which
case the UIM-2T1 is in Red Alarm.
solid amber
Yellow Alarm
The outgoing connection from the
UIM-2T1 has been lost; no data is
being transmitted.
The remote T1 equipment has lost its
incoming connection and is in Red Alarm.
pulsing
amber
Blue Alarm
An indirect connection has been
lost; the UIM-2T1 may no longer
be receiving data from the remote
T1 equipment.
The remote T1 equipment has lost a
connection with an intermediate device and
is in Red or Yellow Alarm.
N
OTE
The following regulatory compliance information applies to the UIM-2T1 as installed in a Mini DSLAM or on a
MUM in an IP DSLAM.
220-0000084 rev 01
