Huawei AR500 Series Hardware Description page 742

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Figure 6-69 Structure of an asynchronous serial cable
Pos.14
Pos.25
Table 6-109
Table 6-109 Pin assignments of an asynchronous serial cable
X2 (RJ45)
1
2
3
4
5
6
7
8
Self-made Cable: Connecting to a Serial Port Server
Figure 6-70
Issue 10 (2019-03-06)
D-type connector
(25-pin, male)
Pos.1
X1
Pos.13
lists the pin assignments of an asynchronous serial cable.
Signal
RTS
DTR
TXD
DCD
GND
RXD
DSR
CTS
shows the structure of a self-made cable.
Copyright © Huawei Technologies Co., Ltd.
Label
Network port connector
(8-pin, RJ-45)
X2
X3
D-type connector
(9-pin, male)
Direction X1 (DB25)
4
→
→ 20
→ 2
8
←
- 7
← 3
← 6
5
←
6 Cables
1 8
Pos.6 Pos.1
Pos.9 Pos.5
X3 (DB9)
7
4
3
1
5
2
6
8
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