Rj45 Control Head - Tait TM8100 mobiles Service Manual

3.11

RJ45 Control Head

Introduction
User Interface
Connectors
Basic Circuitry
Figure 3.17 Block diagram of the control-head board of the RJ45 control-head
Programming
Connector
Power On/Off
LED
102 Circuit Descriptions
This section describes the circuitry of the control-head board for the RJ45
control head.
The control-head board includes a
whether the radio is switched on or off
The control-head board includes the circuitry for the following connectors:
programming connector (RJ45 socket)
■
control-head connector (18-way MicroMaTch socket).
■
For pinouts of the connectors, refer to
The signals of the control-head connector are directly connected to the
telemetry connector. The
voltage.
PRG ON OFF
+13V8
PRG TXD
PRG RXD
PRG RX AUD
PRG MIC AUD
PRG PTT
AGND
+13V8
Control-Head Board of
RJ45 Control Head
1. The signal supplying the LED can be switched or unswitched. For more information refer to
"Connector Power Supply Options" on page
/
POWER ON OFF
1
.
"Connectors" on page
/
LED is supplied by the +13V8
POWER ON OFF
CH ON OFF
+13V8
CH TXD
CH RXD
Control-Head
CH RX AUD
CH MIC AUD
CH PTT
AGND
Signal types:
analog
digital
asynchronous
serial data
90.
© Tait Electronics Limited November 2007
LED which indicates
38.
Connector
TM8100/TM8200 Service Manual