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D9412GV3/D7412GV3 | Operation and Installation Guide | 7.0 Telephone Connections

Bosch Security Systems, Inc. | 2/10 | F01U143070-01 29

7.0 Telephone Connections

7.1 Registration

The Bosch Security Systems, Inc. D9412GV3 and

D7412GV3 Control Panels are registered with the

Federal Communication Commission (FCC) under

Part 68, for connection to the public telephone system

using an RJ31X or RJ38X jack installed by the local

telephone company.

An RJ31X jack can be modified by placing

a jumper wire between Terminals 2 and 7 to

become an RJ38X jack.

7.2 Notification

Do not connect registered equipment to party lines or

coin-operated telephones. Notify the local telephone

company and provide the following information before

connecting the control panel to the telephone

network:

• The particular line to which the control panel will

be connected

• Make (Bosch Security Systems, Inc.), model

(D9412GV3 or D7412GV3), and serial number of

the control panel

• FCC registration number: AJ9MUL-46532-AL-E

• Ringer equivalence for the control panel: 0.4B

7.3 Location

To prevent jamming of signals, wire the RJ31X or

RJ38X jack before the in-house telephone system to

support line seizure (Figure 9). Install the jack on the

street side of the telephone switch, wired ahead of

any PBX equipment. Line seizure temporarily

interrupts normal telephone usage while the control

panel sends data. After installation, confirm that the

control panel seizes the line, acquires dial tone,

reports correctly to the receiver, and releases the

telephone line to the in-house telephone system.

Figure 9: RJ31X Wiring

45 8

RING (red)

TIP (green)

RJ31X

1 - RJ31X Jack

2 - (TIP)

3 - (RING)

4 - Telco connector block

5 - Outside telco

6 - Premises telephone

7.4 Telephone Cord Connection

Connect one end of a D161 (2.1 m [7 ft.]) or a D162

[61 cm (2 ft.)] Telephone Cord to the telco cord

connector located on the bottom left corner of the

control panel. Refer to Figure 10. Connect the other

end to the RJ31X or RJ38X jack.

To supervise the phone cord, use an

RJ38X jack.

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