HT G11 / G12 GSM Terminal Instruction Manual
11
4.METER COMMUNICATION CONNECTIONS
4.1 Optical Port Connection
Figure 4.1
NOTE:
When placing the optical reader on the meter,
make sure the arrow mark on the label points to upward
direction.
Figure 4.2
Table 4.1
Cable Color
Brown
Green
Yellow
White
Terminal
VDD
TX
RX
GND