Huawei AR500 Series Hardware Description page 113

Industrial switch routers
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Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Attribute
Signal type
Cable type
RS485/RS422 interface
The RS485/RS422 interface can be connected to a meter or monitoring terminal.
lists RS485/RS422 interface attributes.
Table 3-24 RS485/RS422 interface attributes
Attribute
Connector type
Standards compliance
Working mode
Communication distance
Baud rate
Cable type
Heat Dissipation
The AR502EG-La router has no fans and uses natural heat dissipation.
Technical Specifications
Table 3-25
Table 3-25 AR502EG-La technical specifications
Item
System parameters
Processor
Memory
Flash
Dimensions and weight
Issue 10 (2019-03-06)
lists technical specifications of the AR502EG-La router.
Copyright © Huawei Technologies Co., Ltd.
Description
LVTTL voltage level, digital input/output
6.2.7 RJ-45 Connector (DI/DO)
Description
5-pin Phoenix terminal block
RS485/RS422
l RS485: half-duplex
l RS422: full-duplex
1 km (> 19 kbit/s)
1200/2400/4800/9600/115200
6.2.8 5-Pin Phoenix Connector (RS485/
RS422)
Specification
Dual-core, 700 MHz
512 MB
512 MB
3 Chassis
Table 3-24
102

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