GAI-Tronics 10959-101 Wall-Mount Audio Messenger Interface (AMI) - Manual (Page 15)

Pub. 42004-398E
M ODEL 10959-10 X W ALL -M OUNT A UDIO M ESSENGER I NTERFACE P AGE 13 of 31
f:\standard ioms - current release\42004 instr. manuals\42004-398e.doc
10/09
Table 5. Terminal Block 4 Assignments
Terminal Labeled Description Function
TB4-1 GND Data (Gnd)
TB4-2 - Data (-)
TB4-3 + Data (+)
No customer connections
TB4-4 FLT Fault (output) If the AMI is operating normally, this output is active low
and can sink 100 mA maximum to external relay or
monitoring circuit. If fault is detected within the AMI, this
output switches off and stops current flow to the external
device. Refer to Figure 6 for typical connection.
TB4-5 REBOOT System reboot When AMI is operating, this pin is 5 V dc. To reboot the
AMI, momentarily connect this pin to TB4-6.
Refer to Figure 5 for typical connection.
TB4-6 GND Power ground Power supply common.
TB4-7 Relay (N.O.)
TB4-8 . Relay (com)
Solid state relay closure. On resistance = 30 ohms
When AMI is playing a message, this contact is closed.
TB5 - Auxiliary Audio
The TB5 connector (labeled AUX) provides connections for the following auxiliary audio inputs and a 33-
ohm page line output. Jumper P7 can be used to provide 33-ohm termination for the page line if desired.
Refer to Table 8, 69517-202 PCBA Jumper Functions, on page 14.
Table 6. Terminal Block 5 Assignments
Terminal Labeled Description Function
TB5-1 IN Mic Input (hi)
TB5-2 COM Mic Input (low)
Reserved for future connection for external noise-sensing
microphone.
TB5-3 Ground Microphone cable shield termination.
TB5-4 L1 Page L1
TB5-5 L2 Page L2
Connects to the page line of the Page/Party ® system
TB5-6 Spare