Rbsu/Rbss Installation - Toshiba Strara CTX Series Installation And Maintenance Manual

TE
TE Device
Power sink
R40S Power Limits:
Voltage: 33.3VDC to 38.85VDC maximum
Current: 100mA maximum (25mA maximum per each RBSU/RBSS circuit)
Figure 5-8 Power Limits of the Backup Power Supply

RBSU/RBSS Installation

Run Related Programs
Step 1:
Run all ISDN programs related to RBSU/RBSS BRI circuits prior to installation of the PCBs. This
enables the circuits to operate immediately upon insertion. ISDN BRI programs are explained in
the Strata CTX Programming Manual under the ISDN tab.
Set Option Switches/Jumpers
Step 2:
Set all option switches and jumpers on the RBSU and RBSS PCBs before plugging the RBSS onto
the RBSU or inserting the RBSU into the system. RBSU/RBSS switch/jumper information and
locations are shown in
Strata CTX I&M September 2002
RJ45 Pin Nos. on
RBSU or RBSS
NT circuit
Pin 3 RX +
Pin 6 RX -
Pin 4 TX +
Pin 5 TX -
RJ45 Pin Nos.
on TE device
Figures 5-9, 5-10 and Table
Pin 3
R40S PS-1
Pin 6
Power
Pin 4
Source
Pin 5
5-3.
ISDN Interfaces
RBSU
4774
5-11