Sigma Gold TDP-52-SN3 Servicehandbuch
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.
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
5
HSMIC
Ext audio from microphone 1 kHz/ 400
mVrms
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
0...5 VDC analog
14
EXTIO
Extra-IO
1 and 2
V-CHARGE
Battery charging voltage 2A in
3
9V
Operation voltage for accessories 0.5 A
out
out
5
HSMIC
Ext audio from microphone 1 kHz / 400
mVrms
mVrms
6 and 7
GND
Ground
8
HSERP
Ext audio for loudspeaker amplifier 1 kHz
/ 200 mVrms
/ 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
0...5 VDC analog