Table of Contents
Advertisement
2 H
ARDWARE
2.1 Connection Diagram
The serial products of the external modems distinguish each other with voice function and phone jack.
The Diagram below illustrates the typical external modem connection:
2.2 LED Indicators
After hardware installation, turn on the modem and your PC, the PWR, HS, and MR LEDs
should be lit. The description of the LED indicators on the front panel are listed below: (from
left to right
Modem Ready/ Self-
MR
testing
HS
High Speed Speeds
Carrier Detect
CD
OH
Off Hook
Send Data
SD
RD
Receive Data
TR
Terminal Ready
Auto-answer
AA
PWR
Power
I
NSTALLATION
On: Power on
Flash: Self-testing/ In diagnostic mode
On: Operating speed at 24000bps or higher
On: Receiving a data carrier signal from remote modem
On: Modem off hook
OFF: Modem on hook
Flash: Transferring data from the modem
Flash: Receiving data from the modem
ON: Modem is on (unless setup by AT commands)
On: Set up to answer incoming calls
ON: power on
Advertisement
Table of Contents
