Toshiba STRATA DK14 Installation And Maintenance Manual page 659

Table 16-7 RPTU Switches, Jumpers, and Connectors
Switches/Jumpers/Connector
SW1 (Line length adjustment switch)
1
SW2 (Reset switch)
JP1 & JP2 (Loop-back jumpers)
J1 8-pin Modular Connector (RJ45)
J2 6-pin Modular Connector (RJ11)
1. If this switch on the Primary Clock source RPTU is pressed (Program *42-1), the clock source will automatically
revert to the Secondary Clock source PCB (Program *42-2).
Figure 16-2 RPTU PCB
Strata DK I&M 6/00
Matches the RPTU impedance to the impedance of the
line (length between the CSU and the RPTU). Refer to
Table 16-9 on Page
Resets or initializes the RPTU firmware. Press this switch
to correct an out-of-service condition, or just prior to
connecting to the Network PRI.
Makes loop-back tests of the cabling between the ISDN
Network switch, CSU, and RPTU.
Connects the RPTU to the CSU/network PRI ISDN line.
Connects the RPTU to a terminal or PC to monitor
D-channel data.
SW2
J2
RS-232C
RPTU1A
FSYC
AIS (front)
RAB
LOS
RST
BSU
TS
LEDs
SW1
1 2 3 4 5 6 7 8
OFF MCC
J1
ISDN (PRI)
RPTU1A V .1
JP1 & JP2
Description
16-11.
2543
ISDN Interfaces
RPTU Installation
16-9