EDAN FTS-3 - Indicative Light Board

FTS-3 Fetal Telemetry System Service Manual Principle Introduction
- 19 -
7.1.2 Indicative Light Board
Indicative light board controls power light, AC light, battery charge light and transducer working
status. Meanwhile, the board is in charge of transforming +12V into +5.5V for charging the
transducer.
（1） Indicative light board ports to main board
Pin No.
Symbol
1,3
VCC
5,7
GND
4
+12V
7
LED1_R
9
LED1_G
11
LED2_R
13
LED2_G
15
LED3_R
17
LED3_G
6
TRANS1_TX
8
TRANS1_RX
10
TRANS2_TX
12
TRANS2_RX
14
TRANS3_TX
16
TRANS3_RX
20
POWER_RXD
Figure 7- 3
理邦保密文件
EDAN CONFIDENTIAL