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4xE1
/ T1 Multiplexer
- Unit operates at E1/T1, 2xE1/T1, or 4xE1/T1
- G742 / G751 Compliant
- Plesisynchronous operation main and aux channels
- Standalone Capability
- Full Clock Flexibility
- Windows based Network Management
- Trunk Card to drive External Devices
- 300 bps - 38.4 kbps low speed asynchronous data card -RS 232
- 4 Signalling bits for status / control
- 2 Aux channels up to 256 kbps
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| Specifications |
| Ports: |
1 to 4 Inputs, Trunk Output, 2 Aux
Ports |
| NMS Port: |
Used for Setup |
| Auxilliary Ports: |
2 ports - 32-256 kbps each up to
aggregate rate
of 256 kbps (4xE1), 128 kbps (2xE1), or 64 kbps (1xE1)
Selectable V.11, RS 449, V.35, or E1 A S 30 interface |
| Inputs: |
Input E1/T1 per port G703 or DSX-1 |
| Interface: |
E1 - Selectable 75 or 120 Ohms; T1
- 100 Ohms |
| Aggregate Rate: |
Up to 8.800 Mbps |
| Clocks: |
Internal, Derived, External
Reference |
| Clock Tolerance: |
50 ppm |
| Standard Compliance: |
Jitter G823; Multiplex G742;
Interface G703 |
| Trunk Out: |
RS 449 |
| Back Plane Out: |
TTL clock / data for direct
connection to radio |
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