MSTP OSN 500 Huawei SDH over ethernet
Short Description:
| Item | Description |
| Appearance | Chassis dimensions (H x W x D): 44 mm x 442 mm x 220 mm |
| Board | System control, switching, and timing board: CSHD Packet processing boards: EF8F, EM6T, EM6F, CQ1, and MD1 Auxiliary board: FAN Power supply boards: PIU and UPM |
| Switching capacity | 7.2 Gbit/s |
| Equipment-level protection | 1+1 backup for input power Fan protection (The failure in a single fan does not affect the operation of the other fans.) |
| Intelligent fan speed adjustment | Supports the automatic adjustment of fan speed based on the highest temperature of the board in the chassis. |
| Management ports and auxiliary ports | |
| Interface Type | |
| Description | Connector |
| External clock port | |
| 120-ohm external clock port, which can work in 2048 kbit/s mode or 2048 kHz mode | RJ45 |
| External time port/Port for monitoring an outdoor cabinet | |
| External time port: The equipment provides two external time input/output ports. Port for monitoring an outdoor cabinet: The equipment provides one port for monitoring and managing an outdoor cabinet. | RJ45 |
| Power supply port | |
| Power supply port connecting to two -48/-60 V DC power supplies | 4-pin terminal block |
| Network management port | |
| Ethernet NM port/NM serial port, which is connected to a network management system (NMS) | RJ45 |
| Alarm input/output port | |
| 3-input/1-output alarm port | RJ45 |
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