Description | Four OC3/STM1 ports Power requirement: 0.52 A @ 48 V (25 W) Channelization: DS1 Channelization down to E1/T1 Each port can be channelized as 84 T1 ports for a total of 336
T1 pseudowires or 63 E1 ports for a total of 252 pseudowires.
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Hardware features | |
Software features | Loop timing Optical diagnostics AM1 or B8ZS line encoding APS/SDH MSP Fractional mode and framed clear channel mode Superframe (D4/SF) and extended superframe (ESP) framing Simple Network Management Protocol (SNMP): Automatic protection switching (APS) Dynamic, arbitrary channel configuration Full bit error rate test (BERT) Encapsulations: Structure-agnostic time-division multiplexing
(TDM) over packet (SAToP) (RFC 4553) Pseudowire emulation edge-to-edge (PWE3) for ATM (RFC
4717) (Junos OS Release 9.6 and later) ATM Pseudowire emulation edge-to-edge via dynamic labels
(LDP, RSVP-TE) (Junos OS Release 9.6 and later) Inverse mulitplexing (IMA) for ATM (Junos OS Release 10.0
and later) ATM QoS (Junos OS Release 10.2 and later): Per-virtual circuit (VC) and per-virtual path (VP) traffic
shaping Unspecified bit rate (UBR) traffic shaping Fine-grained real-time variable bit rate (rtVBR) and real-time
variable bit rate (nrtVBR) traffic shaping Port-level egress shaping Constant bit rate (CBR) Policing on a per virtual circuit basis Independent peak cell rate (PCR) and sustained cell rate
(SCR) policing Counting, tagging, or discard policing actions
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Cables and connectors | |
LEDs | OK LED, one tricolor: Off—PIC is offline and it is safe to remove it from
the router. Green—PIC is operating normally. Yellow—PIC is initializing. Red—PIC has an error or failure.
APP LED, one bicolor: One tricolor per port: Off—Not enabled Green—Online with no alarms or failures Yellow—Online with alarms for remote failures Red—Active with a local alarm; router has detected
a failure
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Alarms, errors, and events | Structure agnostic alarms for
T1 interface: Alarm indication signal (AIS-L, AIS-P) Loss of signal (LOS) Errored seconds (ES) Line-errored seconds (LES) Severely errored seconds (SES) Unavailable errored seconds (UAS) Bipolar violation (BPV) Controlled slip (CS) Line code violation (LCV)
Structure agnostic alarms for E1 interface: Alarm indication signal (AIS-L, AIS-P) Loss of signal (LOS) Errored seconds (ES) Line-errored seconds (LES) Severely errored seconds (SES) Unavailable errored seconds (UAS) Bipolar violation (BPV) Controlled slip (CS) Line code violation (LCV)
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