Verilink C100 (880-502893-001) Product Manual - Manual (Page 13)

Chapter
6/15/99 Verilink C100 and C150 T1/FT1 CSU/DSU 1-1
1
Introduction
This manual is the operating and reference manual for the Verilink “C”
Series products: the C100 T1/FT1 CSU/DSU and the C150 T1/FT1
CSU/DSU with Drop and Insert. These standalone devices are T1 and
fractional T1 Channel Service Units/Data Service Units. The C150 has
the additional functionality of Drop-and-insert.
This manual assumes you are already familiar with T1 industry
standards and terminology.
Overview
The C100 and C150 T-1 CSU/DSUs connect the following T-1 customer
equipment to T-1 carrier services:
■
T-1 multiplexers
■
routers
■
bridges
■
switches
■
PBXs (C150 only)
The C150 comes equipped additionally with a DSX-1 (T1) drop-
and-insert channel.
They can be used single-ended in a T-1/fractional T-1 application, i
pairs on a T-1 carrier provided service, or in pairs when used as
Limited Distance Modems (LDMs) using a customer provided four-
wire facility.
The C100 comes standard with a Network Interface (T-1) and a
synchronous channel which supports any multiple of 56K and 64K bps
of serial data. The synchronous channel includes three built-in
interfaces: V.35, RS530/RS422 and the RS232 standard.
All DS-0s can be allocated to either channel or split between them and
can be contiguous or non-contiguous for full or fractional T-1
applications.
The C100/150 supports D4 or ESF Framing with AMI or B8ZS coding.