Station Maintenance Connections; Table 12. Station Maintenance Connections On The Scm - Motorola MTR2000 T5544 Instruction / Field Service Manual

Installation

Station Maintenance Connections

42
Table 12 provides a description of the maintenance connections located on the
front of the Station Control Module.
Table 12. Station Maintenance Connections on the SCM
Connector Name
5/10MHz External
External Reference signal
Reference Signal for internal
(J5603) system clock
Service Speaker Output to Power
(P5601) Voice speaker
RSS (P5600) Serial Port
Microphone Local Microphone
(P5602) Input
Function
5MHz or 10MHz external
reference may be used.
Select desired frequency through
RSS. High impedance input.
Minimum level is 1Vpp for either
type of input. Maximum level
should not exceed 3Vpp.
Adjustable between 0 to 500mV
across 1Kohm @60% system
deviation. Audio signal appears
between pins 3 and 4 on the
connector. Must use speaker type
HSN1000 via adapter cable
Part.No. 0185180U01.
For connection to serial port of a
computer via cable Part No.
3082056X02. The Radio Service
Software (RSS) application is run
on the computer.
Use local microphone type
GMN6147 or equivalent.
Modulation sensitivity for 60%
system deviation is typically
300mV. This microphone should
be equipped with 3 control buttons
for speaker volume control, Rx.
monitor and Intercom control
functions.
Details
68P81096E37-N
06/28/05