Strata CTX670 Installation
3-45
Strata CTX I&M September 2002
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 Figure 3-32 and Table 3-7.
Figure 3-32 Remote Expansion Cabinet Printed Circuit Board (RRCU1A)
Table 3-7 RRCU Controls
The ROMS subassembly and fibre optic cable connectors is shown in Figure 3-33. Table 3-8 lists the
fibre optic cable specifications.
Control/Indicator/Connector Type of Component Description
Jumper Plug P10 3-terminal Jumper Plug Master Mode (M connections)
Jumper Plug P10 Slave Mode (S connections)
4356
RRCU1A
Backplane Connector
P8 P9P7P6 M2 S2S1M1
Master 1
Connect to
Base Cabinet
Master 2
Connect to
Base Cabinet
Slave 1
Connect
to MSBU
Slave 2
Connect
to MSBU
RS-232
Port
ROMS1A
MS
MS
P11
P10
P4
P3
P2P1
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