The RS485/RS422 interface can be connected to a meter or monitoring terminal. Table 3-81
lists RS485/RS422 interface attributes.
Table 3-81 RS485/RS422 interface attributes
Attribute Description
Connector type 5-pin Phoenix terminal block
Standards compliance RS485/RS422
Working mode
l RS485: half-duplex
l RS422: full-duplex
Communication distance 1 km (> 19 kbit/s)
Baud rate 1200/2400/4800/9600/115200
Cable type 6.2.8 5-Pin Phoenix Connector (RS485/
RS422)
ZigBee antenna interface
A ZigBee antenna interface connects to a ZigBee antenna to transmit and receive wireless
data. Table 3-82 lists ZigBee antenna interface attributes.
Table 3-82 ZigBee antenna interface attributes
Attribute
Description
Connector type SMA
Standards compliance IEEE 802.15.4
Frequency bands supported 2.4 GHz
Rate 250 kbit/s
Cable type 6.3.14 Wi-Fi Strip-Shaped Remote
Antenna
6.3.10 Wi-Fi Antenna
Heat Dissipation
The AR502EGRz-L router has no fans and uses natural heat dissipation.
Technical Specifications
Table 3-83 lists technical specifications of the AR502EGRz-L router.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 165
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