GAI-Tronics MS05-101 Desktop Master Station consisting of Subset, Amplifier and Enclosure - Manual (Page 2)

Pub. MS05-101iom.2
Model MS05-101 Desktop Master Station Page: 2 of 11
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03/09
Installation
Mounting and Wiring Terminations
1. Drill or punch the conduit or cable openings prior to mounting the amplifier enclosure. All entries to
the amplifier enclosure should be made from the bottom or sides.
N
OTE : Use caution when drilling holes to avoid damage to internal electrical components and wiring.
2. Surface mount the amplifier enclosure using the four mounting holes located on the rear of the
enclosure. The amplifier enclosure can be mounted at a remote location, not to exceed the length of the
15-foot subset cable.
3. Connect all party lines and the page line wiring to TB1 and TB2 in the enclosure.
Refer to the Wiring Terminations Table.
4. Connect the RS-485 data line wiring to TB3 the enclosure.
Refer to the Wiring Terminations Table.
5. If an external speaker is used, connect the speaker wires to TB1.
• 8-ohm speaker: TB1-4 and TB1-5
• 16-ohm speaker: TB1-4 and TB1-6
6. Plug the 15-foot cable connector from the subset to the socket on the front of the amplifier enclosure.
7. Connect 120 V ac power conductors to TB1-1 (H), TB1-2 (N), and TB1-3 (GND) of the amplifier
enclosure.
8. Plug the amplifier into the enclosure and tighten the screw in each corner of the amplifier.
9. Apply power.