
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
).
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
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
Summary of Contents for Strara CTX Series
Page 10: ...Contents viii Strata CTX I M September 2002 ...
Page 14: ...Introduction xii Strata CTX I M September 2002 ...
Page 52: ...Strata CTX Configuration 1 38 Strata CTX I M September 2002 ...
Page 176: ...ISDN Interfaces 5 28 Strata CTX I M September 2002 ...
Page 278: ...Peripheral Installation 8 32 Strata CTX I M September 2002 ...