Motorola Dimetra MTM300 - Connection Plan for Speaker, Hands-Free Microphone, and PTT Switch; Connection Plan for Alarm Relay; Figure 14 Speaker, Hands-Free Microphone, and PTT Switch Connection Plan; Figure 15 Alarm Relay Connection Plan

16 Dash Mounting
Connection Plan for Speaker, Hands-Free Microphone, and PTT Switch
Figure 14 Speaker, Hands-Free Microphone, and PTT Switch Connection Plan
• Remove the jumper wire from locations 4 and 9 in the accessory plug.
• If installed, remove the jumper wire from locations 1 and 2.
• Connect the jumper wire to locations 21 and 10. (If an external emergency switch is
installed, do not connect a jumper wire to locations 21 and 10—see page 17.)
Do not short pins 1 and 3 of the accessory connector to ground, as this may damage the
radio.
Connection Plan for Alarm Relay
Figure 15 Alarm Relay Connection Plan
• Remove the jumper wire from locations 4 and 9 in the accessory plug.
• If installed, remove the jumper wire from locations 1 and 2.
• Add the jumper wire to locations 21 and 10. (If an external emergency switch is
installed, do not connect a jumper wire to locations 21 and 10—see page 17.)
1
3
10
23
4
9
SPEAKER
HANDS-FREE
MICROPHONE
EXTERNAL PTT SWITCH
VIEW UPON
INSERTION SIDE
SHIELD
RED
ACCESSORY
CONNECTOR
13
1
25
14
!
C a u t i o n
16
16
VIEW UPON
INSERTION SIDE
ACCESSORY
CONNECTOR
13
1
2514
ALTERNATIVE
ALTERNATIVE
RED
RED
86
87
85 30
BLK
RED
BLK
ALARM
RELAY
+12 V
ALARM
RELAY
86
87
85 30
RED
+12 V
BLK
BLK
16
RED
BLK
BUZZER
+12 V