GAI-Tronics 210-001 Buku Petunjuk - Halaman 5

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Pub. 42004-449B

Model 210-001 Corridor Telephone

Page: 5 of 9

Volume Control Jumper Setting

The handset receiver volume control is factory set to default to its original setting (0 dB) when the

telephone is hung up. To save the volume control setting, jumper J4, which is factory set at positions 2

and 3, must be moved to positions 1 and 2. Refer to Figure 6 for the location of J4.

Each telephone includes one isolated solid state switch capable of switching a maximum of 48 V dc, 125

mA or 28 V

ac, 80 mA

. TB2 (AUX OUT) on the industrial telephone PCBA provides the

RMS

connections for the auxiliary output. Refer to Figure 6 for location of TB2.

The auxiliary output allows peripheral equipment, such as beacons, video cameras, and alarm generators,

to be activated when the handset is off hook. The relay remains energized for the duration of the call.

Figure 6. Industrial Telephone PCBA

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