Toshiba CTX28 Telephone User Manual


 
Strata CTX670 Installation
Remote Expansion Cabinet Unit
4-58 Strata CTX I&M 06/04
8. Connect the fiber optic cables
Pass the fiber optic cable through the protective tube.
Route the tube through the clamp attached to the inner cabinet wall and secure the clamp
Attach fiber 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.
TAIS 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 4-41 and Table 4-14.
Figure 4-41 Remote Expansion Cabinet Printed Circuit Board (RRCU1A)
The ROMS subassembly and fiber optic cable connectors is shown in Figure 4-42. Table 4-15 lists
the fiber optic cable specifications.
Table 4-14 RRCU Controls
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