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• Self-test
– Self-test activated by user
• Test patterns (BERT)
– 1:2, 1:5, 1:8, 3:24, QRW, All 0s, All 1s, user-programmable 24-bit patterns
• Network (T1) alarms
– Red alarm: Loss of network signal
– Blue alarm: Loss of network frame (AIS) from network
– Yellow alarm: Receive from network
• Performance reports and error counters
– Cyclic redundancy check (CRC), bipolar violation (BPV), OOF [EXPAND?], errored seconds, burst errored seconds, severely errored
seconds, Ft and Fs framing errors for SF framing, FPS [EXPAND?] framing errors for ESF framing, 24-hour history stored in 15-minute
increments
• LEDs
– CD (data carrier detect)
– LP (loopback)
– AL (alarm)
Management
• Telnet/console
– Remote and local configuration, monitoring, and troubleshooting from Cisco IOS CLI
• SNMP
– Router and DSU/CSU managed by single SNMP agent; router, DSU, and CSU appear as a single network entity to user
– Standard MIB (MIB II)
– Cisco integrated DSU/CSU MIB
– RFC 1406
• SNMP traps
– Generated in response to alarms
Regulatory Compliance
• FCC Part 15 Class B
• TIA/EIA-IS-968
• Industry Canada CS-03 Part II
• JATE Digital
• CAN/CSA-C22.2 No. 60950-00
• UL 60950-2000
• IEC/EN 60950
• TS001
• AS/NZS 3260
• NEBS Type I/III
Standards
• AT&T Pub 62411
• ANSI T1.403
