1-Port Clear Channel DS3/E3 GPIM Supported Loopback Diagnostics

• DS3 mode: local, remote, payload
• E3 mode: local and remote
• Test patterns (BERT):
  • All ones
  • All zeros
  • Alternating ones and zeros (AA/55)
  • PRBS 2^15-1 (as specified in ITU-T 0.151)
  • PRBS 2^20-1 (as specified in ITU-T 0.153)
  • PRBS 2^23-1 (as specified in ITU-T 0.151)
  • PRBS 2^9-1
  • PRBS 2^11-1
  • PRBS 2^29-1
  • PRBS 2^31-1
  • QRSS 2^20-1 (as specified in ITU-T 0.151)
• BERT results must be in the following form:
  • Received bit count
  • Received error count

In conformance with ANSI T1.107-1995, the 1-Port Clear Channel DS3/E3 GPIM supports both generation and detection of FEAC codes, as well as line-loopback activate and deactivate control codes.

Related Documentation

• 1-Port Clear Channel DS3/E3 GPIM Overview
• 1-Port Clear Channel DS3/E3 GPIM Hardware Specifications
• 1-Port Clear Channel DS3/E3 GPIM Network Interface Specifications
• 1-Port Clear Channel DS3/E3 GPIM Supported Standards
• 1-Port Clear Channel DS3/E3 GPIM Key Features
• 1-Port Clear Channel DS3/E3 GPIM LEDs
• 1-Port Clear Channel DS3/E3 GPIM Components
• 1-Port Clear Channel DS3/E3 GPIM Basic Configuration