Description |
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One STM1 port
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Power requirement: 0.39 A @ 48 V (18.6 W)
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Fine-grained queuing per logical interface
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Channelization: STM1c, fractional E1, framed and unframed
DS0
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Hardware features |
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Packet buffering, Layer 2 parsing
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Local and remote loopback testing
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Software features |
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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: SONET/SDH MIB, T1/E1 MIB
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Dynamic, arbitrary channel configuration
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Full bit error rate test (BERT) patterns at E1 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)
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Cables and connectors |
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Duplex SC/PC connector (Rx and Tx); single-mode intermediate-reach
fiber
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LEDs | 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
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Alarms, errors, and events |
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Alarm indication signal—line (AIS-L)
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Alarm indication signal—path (AIS-P)
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Bit error rate—signal degrade (BERR-SD)
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Bit error rate—signal fail (BERR-SF)
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Bit interleaved parity errors B1, B2, B3 (CV-S, CV-L,
CV-P)
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Loss of frame (LOF)
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Loss of pointer (LOP-P)
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Loss of signal (LOS)
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Payload mismatch (PLM-P)
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Payload unequipped (unequipped STS at path level) (UNEQ-P)
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Remote defect indication—line (RDI-L)
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Remote defect indication—path (RDI-P)
Error detection:
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Errored seconds (ES-S, ES-L, ES-P)
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Far-end bit errors, remote error indication—line
(REI-L), far-end line coding violations (CV-LFE)
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Far-end bit errors, remote error indication—path
(REI-P), far-end path coding violations (CV-PFE)
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Far-end errored seconds (ES-LFE, ES-PFE)
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Far-end severely errored seconds (SES-LFE, SES-PFE)
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Far-end unavailable seconds (UAS-LFE, UAS-PFE)
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Severely errored framing (SEF)
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Severely errored framing seconds (SEFS-S)
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Severely errored seconds (SES-S, SES-L, SES-P)
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Unavailable seconds (UAS-L, UAS-P)
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Instrumentation (counters) |
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Layer 2 per-queue and per-channel packet and byte counters
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