Supported Interfaces QTERM-G55 Terminal
40
Qlarity-Based Terminal Hardware
3.2.2 Panel-mount Connector Interface
The panel-mount QTERM-G55 comes standard with one serial port with DB9f connector. The
serial port interface can be EIA-232, EIA-422, or EIA-485. A second serial port is available as
an option.
N
OTE
☞
The primary panel-mount and auxiliary serial ports are wired as Data Communications
Equipment (DCE).
Figure 18 shows the panel-mount unit serial connector orientation.
DB15f Pin Wire Color Twisted Pairs
1 Red with Black Stripe
2 White with Red Stripe Pair #3
3 White with Green Stripe Pair #3
4Blue
5 Yellow
6RedPair #2
7BlackPair #1
8Gray
9Brown
10 Drain
11 Orange
12 Green with Black Stripe
13 Green Pair #2
No 14 White Pair #1
15 Violet
EIA-232
with proper cables and grounding the terminal can communicate up to five
meters at a top speed of 115,200 bps
EIA-422 permits operation at distances up to 2,000 meters
EIA-485 permits multiple terminals to be connected in a multi-drop chain
Figure 18
QTERM-G55 Panel-mount Serial Connector
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