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RPTU Installation

Table 7-6

RPTU LED Functions

 

 

 

 

LED

 

 

Functions

 

 

Frame Synchronization

FSYC

 

On:

Frame alignment is lost.

 

 

Off:

Frame alignment is working properly.

 

 

 

 

 

Alarm Indication Signal

AIS

 

On:

Receiving an alarm from the CO.

 

 

Off:

Circuit is working properly.

 

 

 

 

 

Remote Alarm

RAB

 

On:

Receiving a remote alarm from the CO.

 

 

Off:

Circuit is working properly.

 

 

 

 

 

Loss of Signal

LOS

 

On:

IC signal cannot be detected.

 

 

Off:

Circuit is working properly.

 

 

 

 

 

 

Reset

 

RST

 

On:

CPU is resetting the software.

 

 

Off:

Circuit is working properly.

 

 

 

 

 

 

Busy

 

BSY

 

On:

One or more B-channels are busy.

 

 

Off:

All B-channels are idle.

 

 

 

 

 

Timing Signal

TS

 

On:

Circuit is secondary timing source.

 

Off:

Circuit is not used for system timing.

 

 

 

 

Flashing:Circuit is primary timing source.

 

 

 

 

The RPTU SW1 settings for the proper cable length are shown in Table 7-7. For cabling instructions, see BPTU and RPTU Cabling.

Table 7-7 RPTU SW1 Cable Length Settings

SW1

Short

Medium

Long

(0 - 150 ft.)

(150 - 450 ft.)

(450 - 655 ft.)

 

1

On

Off

Off

 

 

 

 

2

Off

On

Off

 

 

 

 

3

Off

Off

On

 

 

 

 

4

Off

On

Off

 

 

 

 

5

Off

Off

On

 

 

 

 

6

Off

On

Off

 

 

 

 

7

Off

Off

On

 

 

 

 

8

Not Used

Not Used

Not Used

 

 

 

 

7-10

Strata CTX I&M 06/04

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Toshiba CTX28 manual Rptu LED Functions, Rptu SW1 Cable Length Settings, Short Medium Long 150 ft