Cisco ASR 1000 Series Software Configuration Guide

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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

Cisco ASR 1000 Series Specifications

General

Series	ASR 1000
Category	Network Router
Operating System	Cisco IOS XE
Memory	Up to 64 GB
Interfaces	10 Gigabit Ethernet
Power Supply	AC or DC options
Dimensions	Varies by model
Encryption	IPsec, SSL
Storage	Varies by model
Operating Temperature	32°F to 104°F (0°C to 40°C)
Humidity	5% to 95% non-condensing
MTBF	Varies by model