Supported Loopback Diagnostics on the T1/E1 Mini-Physical Interface Module
The T1/E1 Mini-Physical Interface Module (Mini-PIM) has the following loopback diagnostics:
- Local, remote, payload
- Test patterns (BERT)
- All ones
- All zeros
- Alternating ones and zeros (AA/55)
- 1:3 or 1-in-4 pattern
- 1:7 or 1-in-8 pattern
- 3:24 - 3 bits set in every 24 bits
- QRSS20 (Modified PRBS 2^20-1, with 14 zero suppression)
- PRBS 2^7-1 - PRBS 2^9-1 (as specified in ITU-T O.153)
- PRBS 2^11-1 (as specified in ITU-T O.153)/2047 pattern
- PRBS 2^15-1 (as specified in ITU-T O.151/O.153)
- PRBS 2^20-1 (as specified in ITU-T O.153)
- Programmable word or 32-bit programmable pattern
- Network (T1) alarms
- LOS, LOF, AIS, YLW
Related Topics
- T1/E1 Mini-Physical Interface Module Overview
- T1/E1 Mini-Physical Interface Module Hardware Specifications
- T1/E1 Mini-Physical Interface Module Network Interface Specifications
- Supported Standards on the T1/E1 Mini-Physical Interface Module
- Key Features of the T1/E1 Mini-Physical Interface Module
- T1/E1 Mini-Physical Interface Module LEDs
- Basic Configuration of the T1/E1 Mini-Physical Interface Module
