GAI-Tronics XAAB002A, Installation And Service Manual

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Operation Model XAAB002A Audio Accessory Box
11/06 8
J6A and J6B, Headset Dual 1/4-inch Telephone Plug, Carbon Standard Connector
J6A and J6B are headset connections for ‘carbon standard’ (twin 1/4-inch) phone plugs. These connectors
will accommodate low impedance, electret, or amplified-dynamic type headsets such as Model XHS0003A
with XCC003A Coiled Cord. PTT on the ring terminals is also supported.
Table 6. J6A and J6B Headset Dual Telephone Plug Connector Pin Function Descriptions
Pin Description Function
Tips TX audio towards radio
Sleeves RX audio from radio
Rings PTT logic sense
J7, Alternate Headset, 4-pin Modular, Carbon Standard Connector
J7 is parallel to J6/J7. This is the 4-pin modular headset connection for the GAI-Tronics Model XHS002A
Headset. The pin descriptions are shown in the table below.
Table 7. J7 Alternate Headset Connector Pin Function Descriptions
Pin Description Function
1 Red wire TX audio
2 White wire RX audio
3 Green wire RX audio
4 Black wire TX audio
J8, Power Input, 2.0 mm Barrel Jack Connector
J8 is a barrel-type power connector for external 9 to 16 V dc. The center post is positive. This is the
preferred power input for optimum performance.
Table 8. J8 Power Input Pin-out
Pin Description Function
Center pin 9–16 V dc input, positive
Outer barrel Ground, negative