GAI-Tronics MI05-101 Merge / Isolate Cabinet with External Option - Manual (Page 21)

Pub. MI05-101iom.2
Model MI05-101 Merge/Isolate Cabinet Page: 21 of 24
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Model GTK99019 Audio Interface
1. Mount the Model GTK99019 Audio Interface in accordance with GAI-Tronics Pub. K99019iom,
which is packaged with the equipment.
2. Connect TB1 of the audio interface to the 120 V ac power source using 3-conductor, No. 14 AWG ac
power cable. Power requirements for this interface are 120 V ac, 50/60 Hz at 0.2 amperes.
3. Connect the audio interface to the Model MI05-101 Me r ge / I s ol a t e Ca bi ne t ’ s Ext e r na l I nt e r f a c e
PCBA as follows using a 4-pair, No. 18–20 AWG cable. Refer to Figure 5.
Function
Audio Interface
Terminals
Connect
to
M/ I Cabinet’ s External
Interface PCBA
Page Line TB2-4 and TB2-5 TB2-1 and TB2-2
Party Line TB2-6 and TB2-7 TB2-3 and TB2-4
All-Call Control Lines TB2-14 and TB2-15 TB2-7 and TB2-8
Page Override Control Lines TB2-16 and TB2-17 TB2-5 and TB2-6
Figure 5. Model GTK99019 Audio Interface Connection Diagram