User Guide

PAMS
Technical Documentation
NME–3
Technical Information
Page 10
Issue 1 10/99
External Signals and Connections
CD949 has three external connectors:
– System Connector
– Data Connector
– RF Connector
System Connector
Table 3. External Signals
Pin / Conn. Line Symbol Minimum Typical /
Nominal
Maximum Unit / Notes
19/System Ignition 9
0
13.5 16
0
V / ON
V / OFF
3/System Backlightdimming 9
13%
60
13.5 16
100%
100
V / High voltage
% / Duty Cycle
Hz / Frequency
4/System Antenna motor con-
trol
9 VBATT
0.3
100
V / ON
V / OFF
mA/ Current
20/System Car radio mute
9
1
0.3
16
V / Voicecall active
V / inactive
kW / external pullup
resistance
21/System FBUS Rx
5/System FBUS Tx
23/System MBUS Handset
22/System MBUS Test/Flash
28/System HFMic 92 843 mVrms
31/System HF P 234 2828 mVrms
32/System HF N 234 2828 mVrms
14/System Line–out P 70 2000 mVrms
13/System Line–out N 70 2000 mVrms
9/System HSEar N 28 802 mVrms
10/System HSEar P 28 802 mVrms
25/System HSMicP 87 mV Microphone +
to
microphone –
26/System HSMicN 87 mV Microphone –
to
microphone +