Toshiba Strata DK40 Installation & Maintenance Manual page 141

RBSU/RBSS ISDN Basic Rate Interface Unit
Step 3: Install the REBS
Note
1. Align the two connectors carefully while observing the "UP" arrows on the REBS.
2. Plug the REBS onto the RBSU.
Step 4: Install the RBSS
Note
1. Align the four connectors carefully while observing the "UP" arrows on the REBS.
2. Plug the RBSS onto the RBSU.
Step 5: Install the R40S
Note
1. Align the two connectors carefully while observing the "UP" arrows on the R40S.
2. Plug the R40S onto the RBSU.
Strata DK40 I&M Manual Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
The REBS provides a basic part of the RBSU/RBSS circuit functionality; therefore,
it must always be installed on the RBSU
If one or two additional BRI-NT circuits are required, install the RBSS
3-28).
If ISDN PS-1 backup power for TE devices is required, install the R40S (optional
PCB) (See Figure 3-28).
DK40 Universal Slot PCBs
(See Figure 3-28).
(See Figure
3-51