Sigma Gold TDP-52-SN3 Servicehandbuch
27.1.1999
8dds50gb_fm5.fm
5
Product: DDS-50(Office set) / YO0311
V10
8.1.2.2 Led module OO0301
V1
V2
8.1.2.3 Connector module OO0302
V1
PIN #
NAME
DESCRIPTION
LEVEL
1
HF_SPKR
Hands Free speaker
2
GND
ground
PIN #
NAME
DESCRIPTION
LEVEL
1
GND
ground
2
HS_MIC
Handset microphone signal
3
HS_ERP
Handset earphone signal
4
PH_R
phone charge indicator led, red
0 / 5 VDC
5
PH_G
phone charge indicator led, green
0 / 5 VDC
6
B_R
battery charge indicator led, red
0 / 5 VDC
7
B_G
battery charge indicator led, green
0 / 5 VDC
8
SWITCH
battery discharge switch
0 / 5 VDC
PIN #
NAME
DESCRIPTION
1
GND
ground
2
HS_ERP
Handset earphone signal
3
HS_MIC
Handset microphone signal
PIN #
NAME
DESCRIPTION
LEVEL
1
V_CHG
charge current for phone
max. 10 V, 1.5 A
2
V_BATT
mobile battery voltage
3
EXTMIC
microphone signal
4
GND
ground
5
EXTERP
earphone signal
6
CADET
office kit indicator for phone
5 VDC
7
I2CINT
I2C bus interrupt
8
SCL
I2C bus clock
9
SDA
I2C bus data
10
TxD
RS-232 TxD
11
RxD
RS-232 RxD
12
PH_CTRL
charger control from phone
0 - 5 VDC