SDH STM-4 STM-1 Optical Transmission Equipment Huawei Metro 1000
Short Description:
| Service interface | |
| SDH service | |
| STM-1 optical interface: supports the Ie-1, S-1.1, and L-1.1 optical modules. | SC/LC |
| STM-1 optical interface: supports the S-1.1 and L-1.1 optical modules that use a single fiber for transmitting and receiving. | SC/LC |
| STM-4 optical interface: supports the Ie-4, S-4.1, and L-4.1 optical modules. | SC/LC |
| STM-16 optical interface: supports the S-16.1 optical modules. | LC |
| STM-1 electrical interface | SMB |
| PDH service | |
| E1/T1 electrical interface | 2 mm HM connector |
| Framed E1 electrical interface | DB78 connector |
| E3/T3 electrical interface | LC |
| Ethernet service | |
| 10BASE-T, 100BASE-TX | RJ-45 |
| 100BASE-FX | LC |
| 1000BASE-SX/LX | LC |
| 1000BASE-FX | LC |
| ATM service | |
| STM-1 optical interface: 155 Mbit/s | MTRJ/LC |
| Audio and data service | |
| RS-232 or RS-422 data and audio interface | 2 mm HM connector |
| DDN service | |
| Physical interface complying with multiple protocols, including V.35, V.24, X.21, RS-449, and EIA-530 | 2 mm HM connector |
| Framed E1 electrical interface | DB78 connector |
| G.SHDSL service | |
| Single pair high-bit-rate digital subscriber line interface | RJ-11 |
| Clock interface | |
| The clock signals at the 120-ohm external clock interface can be 2048 kbit/s or 2048 kHz. | RJ-45 |
| Power interface | |
| 2x–48 V DC/–60 V DC power interfaces+1x24 V DC interface | 4-core socket |
| Environment monitoring interface | |
| The EMU board provides the following interfaces: 12 housekeeping signal inputs and 6 housekeeping signal outputs An RS-232/RS-422 serial communication interface | 2 mm HM connector |
| The SCB board provides the following interfaces: Four housekeeping signal inputs and 2 housekeeping signal outputs Four transparent data interfaces | RJ-45 |
| Management interface | |
| A modem interface | RJ-45 |
| An NM interface | RJ-45 |
| Orderwire interface | |
| An orderwire phone interface | RJ-11 |
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