OTS-155 is basic STM-1 transmission equipment and has optical interface with standard STM-1 transmission rate, E1 interface, Ethernet interface, and 2 light directions. OTS-155 is one choice of optical network terminal equiptments.
OTS-155 has 252×252VC12 / 12×12VC3 / 4×4VC4 non-block crossing function. Its network management supports warning, monitoring, maintenance, supervision and management functions.
There are 2 optical interfaces on the main board. 2 Ethernet ports extensible, with another expansion slot for 16×E1.
| Module | Introduction |
|---|---|
| 16×E1 card | 16 channels of E1(ballanced/unballanced) |
| Ethernet card | 10M/100M auto adapted Ethernet |
Frame Parameter
The framework of OTS-155 is made of compound metal, 19 inche external width, 1U height, 24cm length.
This equipment can be located on any stable base, and can be also screwed through mounting hole to 19 inch cabinet.
Port Physical Parameter
| Name | Description |
|---|---|
| E1 port | OP interface, connected to ddf with L9 coaxial connector. |
| Optical interface | FC/SC |
| LAN Interface | RJ45 |
| Engineering orderwire | RJ11 |
| NM port | DB9(socket) & RJ45 |
Port Electrical Parameter
Optical InterfaceCode rate: STM-1 Transmit power: -8∼2dBm Receive sensitivity: -28∼-34dBm Optical port: 1∼2 STM-1 |
E1 InterfaceCapacity: 16Transmission Type: HDB3Transmission Rate: 2048Kbit/sPermissible Deviation: ±5×10E-5Impedance at E1 Interface: 75Ω/120ΩE1 Signal Amplitude: 2.37V/3V |
LAN InterfaceSpecification: IEEE802.3Bandwidth: 100Mbit/sApplicable Ethernet rate:
|
Clock option2048KHz external clockSTM-1 timing source inputsSTM-1 tributary clockSSM functionworking mode:
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EOWCapacity: 25Calling function:
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Working environmentFeeding mode: -48V/DCVoltage range: -48V±15%Operation temperature: 5℃∼45℃Relative humidity: ≥95%(T≥25℃) |
Point to point mode
Link mode
Ring mode
SDH
OTS155
- Conspectus
- Components
- Interfaces
- Characteristics
- Networking Mode