Huawei AR500 Series Hardware Description page 536

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Attribute
Standards compliance
Working mode
DO interface
A digital output (DO) interface provides output signals to instruct the connected device to
perform required actions.
Table 3-428 DO interface attributes
Attribute
Connector type
Signal type
Heat Dissipation
The AR550E router has no fans and uses natural heat dissipation.
Technical Specifications
Table 3-429
Table 3-429 AR550E technical specification
Item
System parameters
Processor
Memory
Flash memory
Dimensions and weight
Dimensions (W x D x H)
Weight
Power consumption
Maximum power consumption
Power specifications
Issue 10 (2019-03-06)
Table 3-428
lists technical specifications of the AR550E router.
Copyright © Huawei Technologies Co., Ltd.
Description
USB 2.0
Host
describes DO interface attributes.
Description
5-pin Phoenix terminal block
Low-voltage DI, passive DO, Boolean value
(short circuit and open circuit)
Specification
4-core 1.5 GHz
2 GB
512 MB
175 mm x 133 mm x 150 mm (6.89 in. x
5.24 in. x 5.91 in.)
3 kg (6.61 lb)
45 W
3 Chassis
525