Huawei osn 550 Long Range wireless data transmitter and receiver STM-4 SDH
Short Description:
| Appearance | Chassis dimensions (H x W x D): 88 mm x 442 mm x 220 mm |
| Board | System control, switching, and timing boards: CXL and PCX Packet processing boards: CQ1, EF8F, EG4C, EM6F, EM6T, EX1, and MD1 SDH boards: SL1D, SL1Q, and SL4D PDH boards: PL3T and SP3D EoS boards: EFS8, EGS4, and EGT1 MDM board: DMD2 Auxiliary boards: AUX and FAN Power supply boards: APIU, PIU, and UPM For services and ports supported by the preceding boards. |
| Packet switching capacity | 60 Gbit/s |
| TDM cross-connect capacity | Higher order cross-connect capacity: 20 Gbit/s Lower order cross-connect capacity: 5 Gbit/s |
| Equipment-level protection | 1+1 backup for power supply 1+1 backup between active and standby system control, switching, and timing boards 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 | |
| Two external time input/output ports | RJ45 |
| Port for monitoring an outdoor cabinet | |
| 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 | 2 mm HM connector |
| Two 110 V/220 V AC power supply ports | Three-phase socket |
| Network management port | |
| Ethernet NM port/NM serial port, which is connected to a network management system (NMS) | RJ45 |
| Alarm input/output port | |
| 6-input/2-output alarm port | RJ45 |
| 64 kbit/s synchronous transparent data port or 19.2 kbit/s asynchronous transparent data port | |
| One 64 kbit/s synchronous serial port or one 19.2 kbit/s asynchronous serial port, which transparently transmits one channel of data services | RJ45 |
| Orderwire phone port | |
| Used to provide voice communication for operation/maintenance engineers at different workstations. | RJ45 |
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