Huawei AR500 Series Hardware Description page 715

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Description
A 6-pin serial cable has a 6-pin terminal block at one end and connects to an RS485 or RS232
interface at the other end.
Appearance and Structure
Figure 6-48
Figure 6-48 Structure of a 6-pin serial cable
1
2
3
Pin Assignments
Table 6-76
Table 6-76 Pin assignments of a 6-pin serial cable
Connector P1
1
2
3
4
5
6
Connection
A 6-pin serial cable is connected as follows:
l The 6-pin terminal block at one end is connected to the 6-pin Mini-Fit interface on a
router.
Issue 10 (2019-03-06)
shows the structure of a 6-pin serial cable.
4
5
6
lists the pin assignments of a 6-pin serial cable.
Label
Label1
Label2
Label3
Label4
Label5
Label6
Copyright © Huawei Technologies Co., Ltd.
6 Cables
Signal
12 V
GND
RS485_P
RS485_N
RS232_TX
RS232_RX
704
L
L
L
L
L
L