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27.1.1999
Xo0236e4_fm5.fm
17
Product: DB-40 (Branching Unit) / YO0236
9.2.1 General
With the branching box you can simultaneously connect several accessories, such
as an external handset and a line converter, to the car installation kit and the hand-
portable.
9.2.2 Connectors
9.2.2.1 Connector PC/HS Signals
9.2.2.2 CONNECTOR HS SIGNALS
1 and 2 V-CHARGE Battery charging voltage 2 A in
3 +9V Operation voltage for accessories 0.5 A in
4 TXD Rs232 0/5V out
5HSMIC
Ext audio from microphone 1 kHz/ 400
mVrms
6and 7 GND Ground
8 HSERP Ext audio for earphone 1 kHz/200 mVrms
9 RXD Rs232 0/5 V in
10 I2CINT I2c interruption, input to radio 0/5 V
11 SCL I2c clock 0/5 V
12 SDA I2c data 0/5 V
13 CHCONT
Voltage for controlling charger current
0...5 VDC analog
14 EXTIO Extra-IO
1 and 2 V-CHARGE Battery charging voltage 2A in
39V
Operation voltage for accessories 0.5 A
out
5HSMIC
Ext audio from microphone 1 kHz / 400
mVrms
6 and 7 GND Ground
8 HSERP
Ext audio for loudspeaker amplifier 1 kHz
/ 200 mVrms
10 I2CINT I2c interruption, input to radio 0/5 V
11 SCL I2c clock 0/5 V
12 SDA I2c data 0/5 V
13 TXD Rs232 0/5 V out
14 RXD Rs232 0/5 V in
16 CHCGONT
Voltage for controlling charger current
0...5 VDC analog