Toshiba CTX28 Telephone User Manual


 
ISDN Interfaces
RPTU Installation
7-10 Strata CTX I&M 06/04
The RPTU SW1 settings for the proper cable length are shown in Table 7-7. For cabling
instructions, see BPTU and RPTU Cabling.
Table 7-6 RPTU LED Functions
LED Functions
FSYC
Frame Synchronization
On: Frame alignment is lost.
Off: Frame alignment is working properly.
AIS
Alarm Indication Signal
On: Receiving an alarm from the CO.
Off: Circuit is working properly.
RAB
Remote Alarm
On: Receiving a remote alarm from the CO.
Off: Circuit is working properly.
LOS
Loss of Signal
On: IC signal cannot be detected.
Off: Circuit is working properly.
RST
Reset
On: CPU is resetting the software.
Off: Circuit is working properly.
BSY
Busy
On: One or more B-channels are busy.
Off: All B-channels are idle.
TS
Timing Signal
On: Circuit is secondary timing source.
Off: Circuit is not used for system timing.
Flashing:Circuit is primary timing source.
Table 7-7 RPTU SW1 Cable Length Settings
SW1
Short
(0 - 150 ft.)
Medium
(150 - 450 ft.)
Long
(450 - 655 ft.)
1On Off Off
2Off On Off
3Off Off On
4Off On Off
5Off Off On
6Off On Off
7Off Off On
8 Not Used Not Used Not Used