They seem excessive on my unit:
---------------------- line0 - T1 Primary Rate ISDN ---------------
Status: UP Framing: ESF Encoding: B8ZS PCM: u-law
Receive Level: +2dB to -7.5dB
Alarms Violations
----------------------------- -----------------------------
Blue 1 Bipolar 0
Yellow 0 CRC Errors 131
Receive Carrier Loss 0 Multiframe Sync 98
Loss of Sync 6
pm3-01> ver
Livingston PortMaster PM-3 ComOS 3.8
System uptime is 9 days 1 hours 5 minutes
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