ComStream CM601, Installation And Operation Manual

Page: 25 / 228

Theory of Operation 2-1
2
Theory of Operation
CM601 Architecture
Overview
The CM601 is a 1U tall (1.75 inch), 19-inch rack-mount unit consisting of the
following major components:
Chassis
Power supply
Backplane
Two standard cards and one user-specified option card
Chassis
The CM601 chassis is constructed of a steel sheet-metal frame with a non-
removable top cover. The front panel, shown in Figure 2-1, allows local control of
the CM601.
Figure 2-1 CM601 Front Panel
The front panel consists of:
A 2-line, 24-character LCD which displays the modem ID on the first line,
and on the second line, commands used to configure, monitor, and control the
CM601, as well as status, fault, and error information
The following LED indicators which provide at-a glance status and fault alert
information:
View Only
Test Mode
RxSync
Two Fault LEDs
Tx Enable
Command tree push buttons, located directly below the LCD, used to navigate
through and select configuration, monitor, and fault commands
Previous
Modify Cursor Enter Tx Enable
View Only Test Mode Rx Sync FAULT FAULT Tx Enabled
G733-01