Shift Key; Led Descriptions; Rs: Request To Send; Cs: Clear To Send - ADTRAN TSU IQ+ User Manual

Shift Key

Enter alpha characters by first pressing and releasing the
and then pressing the desired character. The
Delete
To activate a menu item designated by an alpha character rather
than a number, place the cursor on the menu item using the up and
down arrows or press
indicates the active parameter. Press

LED Descriptions

The TSU IQ+ has seven LED indicators:
and

RS: Request to Send

Reflects the status of the RS pin of the DTE interface.

CS: Clear to Send

Reflects the status of the CS pin of the DTE interface.

TD: Transmit Data

This LED is active when the TSU IQ+ DTE port is transmitting data.

RD: Receive Data

This LED is active when the TSU IQ+ DTE port is receiving data.

ERR: Error

This LED is active when a T1 line code violation or a T1 path code
violation occurs.

ALM: Alarm

This LED is active when an alarm condition exists. Alarm
conditions include:
T1 Alarm Conditions
•
•
•
Frame Relay Alarm Condition
•
61200275L1-1
keys are also activated by first pressing
Shift
. These LEDs are identified as follows:
TST
Loss of signal
Loss of T1 frame sync (red alarm)
Receiving AIS (alarm indication signal) from the service
provider
Network frame relay signaling state is down
TSU IQ+ User Manual
Next
Shift
and then the letter. The flashing cursor
to select the item.
Enter
, ,
RS CS
Chapter 3. Operation
key
Shift
, , , and
Prev Add
.
, , ERR, ,
TD RD ALM
3-3