Huawei AR550-8FE-D-H - Page 186

RS485/RS422 Interface
The RS485/RS422 interface can be connected to a meter or monitoring terminal. Table 3-90
lists RS485/RS422 interface attributes.
Table 3-90 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)
Heat Dissipation
The AR502G-L-D-H router has no fans and uses natural heat dissipation.
Technical Specifications
Table 3-91 lists technical specifications of the AR502G-L-D-H router.
Table 3-91 AR502G-L-D-H technical specification
Item
Specification
System parameters
Processor HI6921
Memory 256 MB
Flash 512 MB
Dimensions and weight
Dimensions (W x D x H) 150 mm x 100 mm x 44 mm (5.9 in. x 3.9
in. x 1.7 in.), 1 U height
Weight 0.85 kg (1.87 lb)
Power consumption
Maximum power consumption 8 W
Power specifications
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 175