Radios With Data Expansion Head Enhanced; Standard Radios Without Data Expansion Head Enhanced - Motorola Malux MTM5x00 Series Installation Manual

68015000181-LB
Chapter 4: Radio Installation
Part Number/Description
GKN6272_ External Alarm Relay
and Cable
4.6.11

Radios with Data Expansion Head Enhanced

To use a junction box with one of the mobile terminals fitted with a Data Expansion Head Enhanced,
always use the 9-pin RS232 port on the Data Expansion Head Enhanced for PEI instead of the 9-pin
RS232 port on the junction box (connector 6). Ensure to fit a jumper between pins 6 and 15 of the
Junction Box (connector 5) for the PEI to operate correctly in this configuration.
4.6.12

Standard Radios without Data Expansion Head Enhanced

For standard mobile terminals without a Data Expansion Head Enhanced, the jumper between pins 6
and 15 of the junction box (connector 5) should be removed.
Mobile Terminal
With Data Expansion Head
Enhanced
Without Data Expansion Head
Enhanced
88
Cable Connectivity
+12V
EXT_ALARM 26
SWB+ 7
86
85
EXT_ALARM 26
Fit Jumper Pins 6-15?
Yes
No
86
87
30
85
+12V (alternative)
87
+12V
30
Use Junction Box RS232 PEI?
No. Use the Data Expansion Head
Enhanced 9-pin PEI instead.
Yes
+12V
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