Table 3-4. Control Head Connector Pin Signals - Motorola MCS 2000 Service Instructions Manual

Test Equipment, Service Aids and Tools: Field Programming
3. Place the control head directly in front of the chassis with the control head and chassis sides
aligned to each other. The two 18 pin connectors MUST also be aligned. This means that the
control head is upside-down on the bench.
!
C a u t i o n
4. With the colored side of the control head extender cable facing upward all the way between
the control head and the chassis connect the cable to both control head and chassis 18 pin
connectors. After the cable is connected the control head can be uprighted.
PIN
NUMBER
1
2
3
4
5
6
7
8
9
68P81083C20-D
If the cable is plugged in upside down the control head will
burn out.

Table 3-4. Control Head Connector Pin Signals

CONTROLLER
SIGNAL
INTERNAL SPKR+
SPKR–
RESET
SB9600_BUS–
not used
not used
ANALOG_GND
HANDSET_AUDIO
MIC/ON_OFF
CONTROLLER
PIN NUMBER
SIGNAL
10 DVP WE
11 KEY/FAIL
12 KID
13 DIGITAL_GND
14 SB9600_BUSY
15 SB9600_BUS+
16 not used
17 A+
18 SW_B+
3-5
December 6, 2004