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Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection
(RED), weighted random early detection (WRED)
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SNMP: T1 MIB and DS0 MIB
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Dynamic, arbitrary channel configuration
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Full bit error rate test (BERT) patterns at T1 and DS0 levels
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Encapsulations:
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High-Level Data Link Control (HDLC)
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Frame Relay
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Circuit cross-connect (CCC)
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Translational cross-connect (TCC)
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Point-to-Point Protocol (PPP)
Software features
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120-ohm RJ-48C connector (female)Cables and connectors
One tricolor per port:
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Off—Not enabled
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Green—Online with no alarms or failures
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Amber—Online with alarms for remote failures
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Red—Active with a local alarm; router has detected a failure
LEDs
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Alarm indication signal (AIS)
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Remote defect indication (RDI)
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Loss of frame (LOF)
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Loss of signal (LOS)
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Bipolar violation (BPV)
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Excessive zero (EXZ)
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Line code violation (LCV)
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Error seconds (ES)
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Severely errored seconds (SES)
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Severely errored frames (SEF)
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Bit error event (BEE)
Alarms, errors, and
events
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Layer 2 per-queue and per-channel packet and byte counters
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24–hour history or error counter updated at 15–minute intervals
Instrumentation
(counters)
Channelized T1 IQ PIC ■ 31
Channelized T1 IQ PIC