Connections; Internal Options Connector (Sk2) - Tait TM8000 Service Manual

1.3

Connections

The following tables summarize the signals used for the universal line interface
board on the internal options connector (SK2) and the external options connector
(SK1).
The signals on SK1 are dependant on the configuration of the matrix. Refer to
"SK1 I/O signal configuration" on page

Internal options connector (SK2)

Pin
1 13V8_SW
2 AUD_TAP_OUT
1*
1&
1^
1%
1$
3 AGND
1#
1@
1!
4 AUX_MIC_AUD
1)
J
5 RX_BEEP_IN
I
H
G
F 6 AUD_TAP_IN
E
D
C
B
7 RX_AUD
8 RSSI
top view
9 IOP_GPIO1
10 IOP_GPIO2
11 IOP_GPIO3
12 IOP_GPIO4
13 IOP_GPIO5
14 IOP_GPIO6
15 IOP_GPIO7
DGND
16
IOP_RXD
17
IOP_TXD
18
TA2922 Universal Line Interface Service Manual
© Tait Electronics Limited March 2010
Radio Signal Signal
+13V8_SW
AUDIO_TAP_OUT
AGND
AUX_MIC_AUD
RX_BEEP_IN
AUD_TAP_IN
RX_AUD
RSSI
GPIO1 Radio PTT
GPIO2 Radio Busy
GPIO3
GPIO4 Disable Line
Interface
GPIO5
GPIO6
GPIO7
—
IOP_RXD
IOP_TXD
26.
Description
switched 13V8 supply from the radio
Programmable tap point out of the receive or
transmit audio chain.
analogue ground
Electret auxiliary external mic
beep audio to radio (not implemented)
Programmable tap point into the receive or
transmit audio chain
volume controlled Rx audio
analogue receive signal strength indicator
IOP_GPIO1 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO2 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO3 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO4 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO5 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO6 to/from the radio
3V3 logic level, 5V tolerant
IOP_GPIO7 to/from the radio
3V3 logic level, 5V tolerant
analogue ground
asynchronous serial port - receive data
asynchronous serial port - transmit data
9