Huawei AR550-8FE-D-H - Page 122

Table 3-32 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 AR502EG-Lj router has no fans and uses natural heat dissipation.
Technical Specifications
Table 3-33 lists technical specifications of the AR502EG-Lj router.
Table 3-33 AR502EG-Lj technical specifications
Item
Description
System parameters
Processor Dual-core, 700 MHz
Memory 512 MB
Flash 512 MB
Dimensions and weight
Dimensions (W x D x H) 150 mm x 100 mm x 44 mm (5.91 in. x 3.94
in. x 1.73 in.), 1 U height
Weight 0.85 kg
Power consumption
Maximum power consumption 8 W
Power specifications
DC power input
l Rated voltage: 12 V DC/24 V DC
l Maximum voltage range: 8 V DC to 36
V DC
DI/DO interface parameter Voltage level standard: LVTTL
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 111