Telex MCS2000 - Manual (Page 3)

1
223 Series Adaptor panels to Motorola MCS Mobile
1 General
This application note is intended to show how to assemble a cable and setup the hardware of
different 223 series adaptor panels (TRA223, DSP223 and IP223) to a Motorola MCS20000
series mobile radio.
2 Interconnect Cable assembly
A cable assembly will be required to connect to the 26-pin accessory connector of the XTL to the
various 223 Series adaptor panels. Please use the following chart to manufacture this cable assy.
TRA223 DSP223 IP223`` MCS
DB-25 Pin DB-25 Pin DB-25 Pin DB-25 Pin Signal
25 25 25 23 MIC +
24 24 24 11 RX +
14 14 14 21 PTT
7 7 7 10 GND
10 10 20 22 COR
3 223 Series panels:
3.1 TRA223 Setup:
3.1.1 TRA223 Dip-Switch settings:
Set the front panel dip-switch for the following settings:
Positions 4, 6 and 7 “ON”,
Positions 1, 2 and 3 are for selecting 2/4-Wire operation; please see Section 2.2 of the TRA223
manual for proper configuration.
3.2 DSP223 Setup:
No software programming is required.
3.2.1 DSP223 Jumper settings:
Set the following jumpers to the “A” position:
J14, J15, J22, J23, J24, J25, J27
Set the following jumpers to the “B” position:
J12 and J13
Solder close JP2
J19, J20 and J21 are for selecting 2/4-Wire operation; please see Section 2.2 of the DSP223
manual for proper configuration.