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Pin Assignments
lists the pin assignments of a 20-pin Boolean input/output cable.
Table 6-100
Pin assignments of a 20-pin Boolean input/output cable
Connector P1
Label
Signal
1
Label1
DI_0
2
Label2
GND
3
Label3
DI_1
4
Label4
DI_2
5
Label5
DI_3
6
Label6
DI_4
7
Label7
DI_5
8
Label8
GND
9
Label9
GND_AI
10
Label10
AI_0
11
Label11
AI_1
12
Label12
DI_6
13
Label13
DI_7
14
Label14
GND
15
Label15
DO_OPEN_0
16
Label16
DO_CLOSE_0
17
Label17
DO_COM_0
18
Label18
DO_OPEN_1
19
Label19
DO_CLOSE_2
20
Label20
DO_COM_3
Connection
A 20-pin Boolean input/output cable is connected as follows:
l
The 20-pin connector at one end is connected to the 20-pin Mini-Fit interface on a router.
l
Wires at the other end are connected to a digital input device, and the AI analog input is
connected to an external analog voltage.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
6 Cables
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
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