AR2500 Huawei Telecom Equipment Agile Gateway AR2504-D-H

Fixed interfaces: 4 x GE combo, 4 x GE RJ45, 1 x USB 2.0, and 1 x DO
Slots: 2 x WSIC
Operating temperatures: –40°C to 60°C
Dimensions (W x D x H): 442 mm x 420 mm x 44 mm
Redundant power module: 24V DC to 48V DC

Electric power scenarios

The AR2500 uses the Smart Ethernet Protection (SEP) protocol that supports 50-ms switching. It also offers a highly reliable communication network with redundancy, and conforms to transformer substation standards of IEC61850-3 and IEEE1613. The AR2500 can automate power distribution and transformer substations, and can provide support for digital and intelligent development of electricity.

Transportation scenarios

The AR2500 uses industrial design, supports dual power modules, and provides SEP, meeting requirements for highly reliable communication in railway transportation scenarios. The AR2500 is applicable to railway transportation scenarios, such as Automatic Fare Collection (AFC), Passenger Information System (PIS), and Integrated Supervisory Control System (ISCS).

The S5700-LI-BAT uses an internal lithium battery as the backup power supply. When a mains power failure occurs, the lithium battery begins powering the switch. When the mains power supply recovers, the switch automatically charges the lithium battery. The use of internal batteries ensures high reliability at the access layer in the case of frequent mains power failures.

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