7700DA-DS3
DS3 Distribution Amplifier
The 7700DA-DS3 Distribution Amplifier provides automatic coaxial cable equalization, reclocking and signal distribution of DS3 (44.736Mb/s) signals. The 7700DA-DS3 accepts a B3ZS-encoded Alternate Mark Inversion (AMI) input signal and provides four reclocked outputs.
The 7700DA-DS3 occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.
Features
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Block Diagram 
Specifications
| Input | |
|---|---|
| Standard | DS3 (44.736Mb/s B3ZS) |
| Number of Inputs | 1 |
| Connector | Isolated BNC per IEC 61169-8 Annex A |
| Equalization | Automatic to 300m with Belden 8281 or equivalent cable |
| Return Loss | > 20dB up to 44Mb/s |
| Output | |
|---|---|
| Number of Outputs | 4 reclocked |
| Connector | BNC per IEC 61169-8 Annex A |
| Waveform | Conforms to G.703 compliant masks |
| Return Loss | > 18dB up to 44Mb/s |
| Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | 6 Watts |
| EMI/RFI | Complies with FCC Part 15 Class A, EU EMC Directive |
| Physical | |
|---|---|
| Number of Slots | 1 |
Ordering Information
| 7700DA-DS3 | DS3 Distribution Amplifier |
|---|
| Ordering Options | |
|---|---|
| Notes | • Rear plate must be specified at time of order - eg: [model]+3RU |
| Rear Plate Suffix | |
|---|---|
| +3RU | 3RU rear plate for use with 7800FR, 7801FR, 7700FR-C or 350FR Multiframes |
| +1RU | 1RU rear plate for use with 7701FR Multiframe |
| +SA | Standalone Enclosure Rear Plate |
| Enclosures | |
|---|---|
| 350FR | Portable Multiframe which holds 7 modules |
| 7700FR-C | 3RU Multiframe which holds 15 modules |
| 7800FR | 3RU Multiframe which holds 15 modules |
| 7701FR | 1RU Multiframe which holds 3 modules |
| S7701FR | 7700 Series Standalone Enclosure |