Huawei AR500 Series Hardware Description page 674

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Figure 6-16 Structure of an RS485 and DI cable
Specifications
Table 6-31
than 2 A) and ambient temperature requirements, you are advised to use power wires with 1.0
2
mm
Table 6-31 Specifications of an RS485 and DI cable
Conductor Type
Solid
Twisted
Pin Assignments
None
Connection
An RS485 and DI cable is connected as follows:
l
l
Ordering Information
Table 6-32
Issue 10 (2019-03-06)
lists required specifications of an RS485 and DI cable. To meet current (lower
conductors.
The 8-pin phoenix connector is connected to RS485 and DI interfaces on the local
device.
At the other end, the RS485 wires are connected to electricity meters or other devices
that have RS485 interfaces, and the DI wires are connected to digital input devices.
provides the 8-pin phoenix connector (RS485/DI) ordering information.
Copyright © Huawei Technologies Co., Ltd.
Minimum Conductor
Cross-Sectional Area
2
0.5 mm or 20 AWG
2
0.5 mm or 20 AWG
6 Cables
DI1
DI1
DI0
DI0
RS485-1(B)
RS485-1(A)
RS485-0(B)
RS485-0(A)
Maximum Conductor
Cross-Sectional Area
2
1.5 mm or 16 AWG
2
1.5 mm or 16 AWG
663