Siemens TBM-2 Інструкція з монтажу - Сторінка 2

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Figure 1

TBM-2 Termination Block Module

1. Before installing the module, mount the

PCB assembly to the mounting bracket

supplied using the four No. 6 screws

provided.

2. Place the TBM-2 assembly face up on the

three threaded studs arranged in a triangle

with TB5, the 15 position terminal block at

the top.

3. Secure the TBM-2 with the three No. 10

nuts provided.

NOTE:

In a Remote Extender

enclosure, a PS-5N7 is

mounted above the TBM-2.

WIRING

Refer to Figures 3 and 4.

For the audio and telephone risers:

Maximum wire size:

Minimum wire size:

Maximum loop resistance: 20 ohms for both

Connect the 24 VDC to TB3 using 14 AWG

single conductor wire. Terminal 1 is for +24

VDC; terminal 2 is for 24 VDC return.

Refer to the CSG-M configuration printout to

determine the wiring style (either Style Y or

Style Z) for terminal block TB5.

For Style Z wiring, make the following connec-

tions:

• Connect terminals 1 and 4 in one cable going

out to Riser 1.

• Connect terminals 2 and 3 in another cable

coming back from the last destination of

Riser 1.

• The other audio risers connect in a similar

fashion.

For Style Y connections, use only one cable.

Refer to Figure 3 for details.

Figure 2

Mounting the TBM-2

All wiring must comply with

national and local codes.

14 AWG twisted

pair, shielded

18 AWG twisted

pair, shielded

wires