GAI-Tronics 10959-101 Wall-Mount Audio Messenger Interface (AMI) - Manual (Page 16)

Pub. 42004-398E
M ODEL 10959-10 X W ALL -M OUNT A UDIO M ESSENGER I NTERFACE P AGE 14 of 31
f:\standard ioms - current release\42004 instr. manuals\42004-398e.doc
10/09
TB6 - Power Connections
The AMI requires a dc power supply. The dc power supply voltage must be between 12 and 24 V dc.
TB6 is used for power connections. Please refer to Figure 7 and Table 7 below.
Figure 7. Power connections at TB6
Table 7. Terminal Block 6 Assignments
Terminal Labeled Description Function
TB6-1 + Power (+) 12 to 24 V dc power supply positive terminal
(Black wire with white stripe from power supply)
TB6-2 - Power (-) 12 to 24 V dc power supply negative terminal
(Solid black wire from power supply)
TB6-3 Ground Earth ground
69517-202 Jumper Settings
Table 8. 69517-202 PCBA Jumper Functions
Jumper Output Position Function
1-2 600-ohm termination resistor connected P1 TB3-5, 6
Audio bus 1
2-3 Default - unterminated
1-2 600-ohm termination resistor connected P5 TB3-1, 2
600 ohms
2-3 Default - unterminated
1-2 600-ohm termination resistor connected P6 TB3-3, 4
Audio bus 2
2-3 Default - unterminated
1-2 33-ohm termination resistor connected P7 TB5-4, 5
33 ohms
2-3 Default - unterminated
1-2 33-ohm page output always active P9 TB5-4, 5
33 ohms
2-3 Default – 33-ohm page output active with audio
1-2 Supervision resistor network, 4.7k in series, 15k in parallel P11 TB4-7, 8
Audio
contact
2-3 Default - unsupervised