US Robotics COURIER - Front Panel Status Indicator Lights; Modem Installation Guide

COURIER HIGH SPEED MODEMS
FRONT PANEL INDICATORS
Below is a list of the modem's twelve status lights, or LEDs. See
Appendix B for descriptions of their operations.
HS
AA
CD
OH
RD
SD
TR
MR
RS
cs
SYN
ARQ/FAX
High Speed
Auto Answer
Carrier Detect
Off
Hook
Received Data
Send Data
Data Terminal Ready
Modem Ready (Power)
Request to Send
Clear to Send
Synchronous
Automatic Repeat Request (Error Control) I
Fax Mode (Fax modems only)
INSTALLING THE MODEM
1. Turn off the computer or terminal and its peripheral devices.
2. Examine the label on the bottom of the modem. In addition
to the summaries and other information, the label contains
icons to aid in modem assembly. Check the interfaces at the
back of the modem, shown in the following photograph.
Figure 2.2-Interface End, Courier Modem
2-4 Set-up and Testing
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