GAI-Tronics MS05-101 Desktop Master Station consisting of Subset, Amplifier and Enclosure - Manual (Page 3)

Pub. MS05-101iom.2
Model MS05-101 Desktop Master Station Page: 3 of 11
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03/09
Connections to the Merge/Isolate Cabinet
1. Locate the Termination PCBA in the lower left corner of the merge/isolate cabinet.
2. Connect the master station cable to TB6 in the cabinet. Refer to the Wiring Terminations Table.
A 9-pair cable (No. 18–20 AWG) is recommended for this connection.
Wiring Terminations Table
Terminals
Master Station Merge/Isolate Cabinet
Function
TB3-23 and TB3-24 TB6-1 and TB6-2 RS-485 data line (+ /-)
TB3-25 TB6-3 Data ground
TB1-10 and TB1-11 TB6-5 and TB6-6 Page monitor (See note.)
TB1-8 and TB1-9 TB6-7 and TB6-8 Page line (See note.)
TB2-12 and TB2-13 TB6-9and TB6-10 Party Line 1
TB2-14 and TB2-15 TB6-11 and TB6-12 Party Line 2
TB2-16 and TB2-17 TB6-13 and TB6-14 Party Line 3
TB2-18 and TB2-19 TB6-15 and TB6-16 Party Line 4
TB2-20 and TB2-21 TB6-17 and TB6-18 Party Line 5
N OTE : If connecting to Model MI05-101 Merge/Isolate Cabinet, jumper the page line (TB1-8 and
TB1-9) to the page monitor line (TB1-10 and TB1-11). If these lines are not tied together, the master
station speaker will not broadcast.