Toshiba Strara CTX Series - Step 3: Install the RBSS; Step 4: Install the R40 S

ISDN Interfaces
5-13
Strata CTX I&M September 2002
Step 3:
Install the RBSS
Note
If one or two additional BRI-NT circuits are required, install the RBSS (see Figure 5-11).
1. Align the four connectors carefully while observing the “UP” arrows on the REBS.
2. Plug the RBSS onto the RBSU.
Step 4:
Install the R40S
Note
If ISDN PS-1 backup power for TE devices is required, install the R40S (optional PCB) (see
Figure 5-11).
1. Align the two connectors carefully while observing the “UP” arrows on the R40S.
2. Plug the R40S onto the RBSU.
Figure 5-11 Location of RBSU Plug-on PCBs
UP
UP
UP
UP
UP
UP
R40S1A-CM V.1
RBSU
Optional RBSS1A
REBS
R40S
2761
(pre installed on RBSU1 -
not used on RBSU2)
Optional PS-1 Power Supply
Two-circuit Subassembly