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Hardware Specifications
C.2.9 155 Mbps OC-3c/STM-1 3MM/1SM Module
The 155 Mbps
The following specifications apply to port 4 on network modules NM- 4/155SR3SCC and
Description | Specification |
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Data Rate | 155.52 Mbps |
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Output Buffer | 13,312 cell capacity |
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Media | Short or long reach single mode fiber |
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Max. Line Length | ~2 km (short reach); ~40km (long reach) |
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Connectors | FC |
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Line Encoding | |
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Framing | |
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Clock Accuracy | ±20 ppm |
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Timing | Primary and secondary 8kHz reference from |
| internal (default) or network |
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Loopbacks | Transmit and receive loopbacks |
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Power - Short Reach | |
| receive sensitivity, 0 to 8 dB path attenuation |
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Power - Long Reach | 0 to |
| receive sensitivity, 10 to 29 dBm path attenuation |
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Core Diameter | 10 ∝m |
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Fiber Diameter | 125 ∝m |
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Wavelength | 1310 nm |
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Statistics/Alarms | SONET/SDH statistics include Loss of Signal |
| (LOS), Loss of Frame (LOF), Loss of Pointer |
| (LOP), Far End Block Errors (FEBE), Alarm |
| Indication Signal (AIS), Far End Receive Fail- |
| ure (FERF), Yellow Alarm, Bit Interleaved Par- |
| ity errors (Line |
| |
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Compliance | ATM Forum |
| ANSI |
| G.957, Bellcore |
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