DS3 Transfer Device
- Introduction of product
- DS3 is the circuit transfer device which transfers to reserve circuit when the main line is under interference by accommodating maximum 6 units of DS3 circuits and checking main and reserve circuits.
- Characteristice of product
- Unit duplication and automatic protection transfer function
- Unit transfer : 1+1 Non-returning function
- Line transfer : 1:1 Returning function
- Power section : 1+1 Load sharing method - Self diagnosis function through various LoopBack and performance information.
- System operation and monitoring function through GUI
- State information indication function through front LED and audible alarm
| Item | Standard | ||
|---|---|---|---|
| DS3 | Type of signal | DS3(44.736Mbps ± 20ppm) ITU-T G.703 | |
| Line Code | B3ZS | ||
| Reception impedance | 75Ω ± 5% | ||
| LBO | Long, Short | ||
| Interface | Wrapping terminal | ||
| Power supply | Power source | -48VDC (-42.5 ~ -56.5VDC) or AC Free Voltage(100 ~ 240VAC) |
|
| Power consumption | 0.62A 30Watts (When shelves are fully mounted) | ||
| Size | HxWxD | 177 X 483 X 379(mm) | |
| CIT Interface | RJ45 LAN or RS-232C Console | ||
| Classification | Name of model | Description |
|---|---|---|
| Common section | PWR-AC | Supply AC inlet power to each unit. |
| PWR-DC | Supply DC inlet power to each unit. | |
| MCU | Conduct main control of entire SHELF. | |
| Channel | DS3 | Transmit subscriber signal of maximum 1 unit of DS3 to the facing device through main & reserve circuit, and performs the reverse function. |
