2.5GE optical interface
A 2.5GE optical interface supports GE/2.5GE auto-sensing and is used for data transmission
and receiving at over 1 Gbit/s.
lists the attributes of a 2.5GE optical interface.
Table 3-401
2.5GE optical interface attributes
Attribute
Description
Connector type
SFP
Standards compliance
IEEE802.3z
Cable type
Optical fiber (inserted in an optical module)
and
DI/DO interface
A DI interface receives alarm input (9.6-60 V), and a DO interface sends output signals to
instruct an external device to perform required actions.
attributes.
Table 3-402
DI/DO interface attributes
Attribute
Description
Connector type
5-pin Phoenix terminal block
Signal type
l
DI: 9.6-60 V DC power input
l
DO: Boolean value (short circuit and
open circuit)
Heat Dissipation
The AR550C-4GE router has no fans and uses natural heat dissipation.
Technical Specifications
lists technical specifications of the AR550C-4GE router.
Table 3-403
AR550C-4GE technical specifications
Item
Specification
System parameters
Processor
Dual-core, 700 MHz
Memory
256 MB
Flash
512 MB
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
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