Installation manual
Table Of Contents
- COPYRIGHT
- IMPORTANT SAFETY INFORMATION
- DOCUMENT HISTORY
- CONTENTS
- SCOPE
- MODEL INFORMATION & ACCESSORIES
- INSTALLATION
- Introduction
- DC Power Cable Installation
- Ignition Sense Cable Installation
- Terminal Installation
- Enhanced Control Head Installation
- Trunnion Installation
- Dashboard Installation
- Desktop Installation
- Remote Mount Installation
- Installing the Remote Mount Enhanced Control Head onto the Remote Mount Trunnion
- Installing the Remote Mount Enhanced Control Head in a DIN Mount Bracket
- Inserting the Remote Mount Enhanced Control Head with the DIN Mount Bracket into the DIN Frame
- Adding Extra Connectivity to the Remote Head
- Installing the Accessories Expansion Cable
- Motorcycle Mount Enhanced Control Head Installation
- Data Expansion Head Enhanced Installation
- Connectors and Pin Assignment of the Radio
- Connectors and Pin Assignment of Data Expansion Head Enhanced and Remote Head Enhanced
- Connector and Pin Assignment of the Enhanced Control Head
- Connecting Cables
- Motorcycle Mount Enhanced Control Head-to-Remote Head Enhanced/Data Expansion Head Enhanced (Motorcycle Mount TELCO Cable)
- Remote Mount Enhanced Control Head/Motorcycle Mount Enhanced Control Head-to-Accessories (Accessories Expansion Cable)
- Radio-to-Junction Box
- Data Expansion Head Enhanced Radio-to-Data Device
- Data Expansion Head Enhanced Radio-to-Fist Microphone
- Radio-to-Data Device: Active Data Cable
- Vehicle Antenna Installation
- External Speaker Installation
- UPGRADING THE TERMINAL
- APPENDIX

INSTALLATION MTM800 Enhanced Mobile Terminal Installation Manual 57
Connection Plan for Accessory Connector Kit (GMBN1021)
Radios with Data Expansion Head Enhanced
To use a junction box with one of the MTM800 Enhanced 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.
Part Number/Description Cable Connectivity
GMSN4066 Speaker 13W
GMSN4078 Speaker 5W
GMMN4065 Visor Microphone
Cannot be used if connector 7 (TELCO) is in use.
RLN4856 Footswitch PTT
RLN4857 Push button PTT
RLN4858 Gooseneck PTT
These accessories can be used for PTT or
Emergency function.
RLN4836 Tri-State Emergency Footswitch and
Cable
HKN9327 Ignition Sense Cable
GMKN4084 Speaker Extension Cable
GKN6272 External Alarm
Relay and Cable
GLN7282 Buzzer
HKN9327 Ignition Sense Cable: If the ignition line is not
used, it needs to be grounded. Interference can cause
radio to hang.
SPKR- 1
SPKR+ 16
GND 7
MIC 2
PTT 3/
Emergency 9
GND 8
Emergency 9
12k
GND 8
4A
+12V
Ignition 10
Car
Ignition Switch
1
16
5m
86
85
87
30
+12V (alternative)
Ext. Alarm 4
+12V
SWB+ 13
86
85
87
30
+12V
Ext. Alarm 4
+12V
Ext. Alarm 4
SWB+ 13