Toshiba CTX28 manual RRCU1A

Strata CTX670 Installation

Remote Expansion Cabinet Unit

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 4-41and Table 4-14.

ROMS1A

Master 1

Connect to Base Cabinet

Slave 1

Connect to MSBU

Master 2

Connect to Base Cabinet

Slave 2

Connect to MSBU

P3

P6

M1	P1
P7
S1	P2
M2
P8	P4
S2
P9

M	M
P11	P10
S	S

RS-232

Port

4356 RRCU1A

Figure 4-41 Remote Expansion Cabinet Printed Circuit Board (RRCU1A)

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)

The ROMS subassembly and fiber optic cable connectors is shown in Figure 4-42. Table 4-15lists the fiber optic cable specifications.

4-58 Strata CTX I&M 06/04