Tait TP9100 - TPA-AA-201 Accessory Connector Kit; 16.1 Connecting an Accessory

TP9100 Service Manual TPA-AA-201 Accessory Connector Kit 309
© Tait Electronics Limited May 2005
16 TPA-AA-201 Accessory Connector Kit
Caution The radio produces a specific audio level at the max-
imum rated power. It is the sole responsibility of the
end-user to ensure applicability and compliance
with the relevant legal regulations defining the noise
level an individual can be subjected to.
The TPA-AA-201 accessory connector kit is used to connect
external third-party accessories, such as speaker microphones
and headsets, to the accessory connector at the rear of the
radio.
16.1 Connecting an Accessory
1. Verify that your accessory is compatible with the accessory
connector, refer to Table 16.1.
2. When connecting an accessory, make sure it meets the
following specifications:
■ speaker impedance: 32Ω (16Ω min.)
■ speaker power: 0.25W
rms
(min.)
■ microphone: electret, approximately 1kΩ
■ PTT switch: not in series with microphone.
Note If your accessory has a PTT switch in series with the microphone,
the accessory cannot be used. The PTT needs to be a separate sig-
nal and must be made available at the connector separately; it must
not be multiplexed on any other signal.
3. Disassemble the kit as described in “Disassembly and Reassembly” on
page 312.
4. Solder the accessory lines to the pads provided on the bottom side of
the accessory connector PCB (refer to Figure 16.1).
Important The recommended cable diameter is 0.205 inch (5.2mm),
to fit into the insert and strain relief (see Figure 16.2).
Any other cable diameter cannot be properly retained and
is not recommended. Sealing against water and dust ingress
cannot be guaranteed using this connector kit.