Cisco AGS+, Hardware Installation And Maintenance

Page: 38 / 146

Chassis Components
To
use
low-speed synchronous serial interface
at
your
installation you need synchronous
modem
or
channel service
unit/digital
service
unit
CSU1DSU
to
connect
to
the network
RS-232 RS-449
or V.35 connections
or
attachments
are
typically
provided as
the
electrical
interfaces
on the
CSU/DSU
To
attach
chassis
to
Ti network
you need
Ti
CSUIDSU
that converts the High-Level Data
Link
Control
HDLC
synchronous
serial
data stream
into
Tl
data stream with the correct
framing
and
ones
density
The term ones
density
refers
to
the telephone
system requirement
of
minimum
number
of
bits
per time
unit in
data stream
Several
Ti
CSUIDSU
devices are
on the
market Ti
CSU/DSU
is
available
as
additional equipment
Note
also
that
most Ti
CSUIDSUs
provide
either
V.35 or RS-449
electrical interface to the system
To
connect the
chassis
to
AC
power you need
the proper
AC
receptacle at
your
site
The
chassis
power supply is
either
autoranging
or
is factory-configured for either
110
VAC
or
240
VAC
operation
230
VAC
in the United
Kingdom
All chassis include 6-foot
electrical power cord
Warning
If the voltage indicated
on
the
chassis
label
is
different
from
the
power outlet voltage
do
not connect
the
chassis
to that receptacle voltage
mismatch
can cause equipment damage
and
may
pose
fire
hazard
Chassis
Components
Table 2-7
lists all
of
the components that
are
included with the shipment of chassis or
that
are
available
as
options
Table 2-7
Descriptions
of
Chassis Components
Component
Description
Chassis
buses
9-slot
Multibus backplane and
5-slot high-speed
ciscoBus
backplane
Processor cards
CSC/3
or
CSC/4
ciscoBus
controller
CSC-CCTL
or
CSC-CCTL2
Interface cards
Up
to interface
and
controller
cards
Specific
restrictions exist
on
the
number and
type
of cards that
can be used
System
memory
64
KB
of
RAM
and 64
KB
of
NVRAM
standard
on
the
CSC-ENVM
card
Alternate
32
KB
of
NVRAM
and
MB
of Flash
memory
on
the optional
CSC-MC
Flash memory
card
External connectors Mounting
plates
with connectors
and
appliques
for
attachment
to various
types
of
networks
Chassis will include the external connectors for the interfaces
you ordered
Accessories Rack-mount
kit that includes
screws and
flanges
for mounting the chassis in
19
rack
Power
supplies
MAS-400
110
VAC
or
MAS-400B
240
VAC
power
supply
MAS-25
230
VAC
power
supply
is
used
in the
U.K
Blower
MAS-lO
110
VAC
blower
or
MAS-1OB
240
VAC
blower
Documentation
AGS
Hardware
Installation
and Maintenance Router Products
Configuration
Guide
Getting
optional Started Guide
Inrernetworking
Technology
Terms
and Acronyms
Troubleshooting
Intern etworking Systems System Error Messages
and
Command Summary
publications
Preparing
for Installation 2-11