Toshiba Strara CTX Series Installation And Maintenance Manual page 119

8. Connect the fibre optic cables
Pass the fibre optic cable through the protective tube.
Route the tube through the clamp attached to the inner cabinet wall and secure the clamp
Attach fibre to the SC connectors on the ROMS1A daughterboard.
The TX side of the Master connects to the RX side of the slave.
The RX side of the Master connects to the TX side of the slave.
TIU recommends that the cables be marked within the cabinet for ease of maintenance.
Observe the minimum bend radius of 30mm.
9. Restore power.
The RRCU PCB and its controls and connectors are shown in
Master 1
Connect to
Base Cabinet
Slave 1
Connect
to MSBU
Master 2
Connect to
Base Cabinet
Slave 2
Connect
to MSBU
Figure 3-32 Remote Expansion Cabinet Printed Circuit Board (RRCU1A)
Table 3-7 RRCU Controls
Control/Indicator/Connector
Jumper Plug P10
Jumper Plug P10
The ROMS subassembly and fibre optic cable connectors is shown in
fibre optic cable specifications.
Strata CTX I&M September 2002
ROMS1A
RS-232
Port
RRCU1A
Type of Component
3-terminal Jumper Plug
Figure 3-32
P3
P4
Master Mode (M connections)
Slave Mode (S connections)
Strata CTX670 Installation
and Table 3-7.
Description
Figure 3-33. Table 3-8 lists the
3-45