| 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 |
