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9-1
Chapter 9
Configuring FE1 Services
This chapter describes the line services for fractional E1 (FE1) circuits on a Nortel
Networks router. It contains the following sections:
Overview of FE1 Services
Nortel Networks supports FE1 circuits on BayStack ARN, AN and ANH routers
using the BCC and Site Manager.
FE1 interfaces provide high-density access to a digital access and crossconnect
system (DACS).
For unframed E1, an FE1 interface can transmit or receive up to 32 DS0 channels
per DS1 frame over leased point-to-point links, with a line rate from 64 Kb/s to
2.048 Mb/s in 64 Kb increments. For framed E1, an FE1 interface can transmit or
receive up to 31 DS0 channels per DS1 frame over leased point-to-point links,
with a line rate between 64 Kb/s and 2.048 Mb/s in 64 Kb increments.
All FE1 modules include an integrated DSU/CSU for direct connection to an E1
network. The interfaces provide integrated support for loopback testing and bit
error rate test (BERT) line testing.
Section Page
Overview of FE1 Services 9-1
Configuring FE1 Services 9-2
Customizing FE1 Services Using the BCC or Site Manager 9-5
Configuring a Non-PRI Logical Line 9-12
Testing FE1 Lines 9-25
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