GFU27 User Guide
Version
3.0
11
2
USER INTERFACE
2.1
Data/Power interface
Figure 2.1 Lemo connector and its pin configuration
PIN
SIGNAL NAME
DIRECTION
DESCRIPTION
1 RTS
IN
HW
handshake
2 CTS OUT
HW
handshake
3
GND
-
Power and Signal ground
4
RXD
OUT
Receive data (V24 level)
5
TXD
IN
Transmit data (V24 level)
6
ID
IN/OUT
One wire bus terminal to Dallas DS2433
7 MODE
IN
Switch:
Data mode (0 V)<> Prog. mode (+12 V)
8
VCC
IN
Supply voltage, 12 V (+/- 10%)
