Cisco ASR 1000 Series

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E1 features
E1 is not supported on the 1-Port Channelized OC-12/STM-4 SPA in Cisco IOS XE Release 2.6.Note
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Maximum 1.984 Mbps for each E1 port in framed mode and a 2.048 Mbps in unframed E1 mode.
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All ports can be fully channelized down to DS0.
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Compliant with ITU G7.03, G.704, ETSI and ETS300156.
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Internal and receiver recovered clocking modes.
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Hi-density bipolar with three zones (HDB3) and AMI line encoding.
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E3 features
E3 is not supported on the 1-Port Channelized OC-12/STM-4 SPA in Cisco IOS XE Release 2.6.Note
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Full duplex connectivity at E3 rate (34.368 MHz).
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Supports ITU-T G.751 or G.832 framing (software selectable).
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HD3B line coding.
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Compliant with E3 pulse mask.
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Line build-out: configured for up to 450 feet (135 m) of type 728A or equivalent coaxial cable.
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Loopback modes: data terminal equipment (DTE), local, dual, and network.
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E3 alarm/event detection (once per second polling):
- Alarm indication signal (AIS)
- Loss of frame (LOF)
- Remote alarm indication (RAI)
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Subrate and scrambling features for these data service unit (DSU) vendors:
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- Digital Link
- ADC Kentrox
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T3 features
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Binary 3-zero substitution (B3ZS) line coding.
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Compliant with DS3 pulse mask per ANSI T1.102-1993.
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DS3 far-end alarm and control (FEAC) channel support.
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Full duplex connectivity at DS3 rate (44.736 MHz).
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672 DS0s per T3.
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
214 OL-14127-17
Overview of the Serial SPAs
Supported Features