Unitech Part Number: 400412
17
2.4. Modem
communication
For HT580L, Unitech provide modem cradle to enable modem communication function between PC and
HT580L. So, user must connect phone line to cradle and HT580L still connect to cradle with RS232
interface.
There are 2 ways to do connection.
1. Calling from PC
2. Calling from Terminal
Call from PC
To call modem from PC, HT580L’s modem cradle should be set to automatically pick up external call.
So, you should put HT580L into cradle (cradle should be connect to power) and execute Setting
Modem and then select “AUTO ANSWER” to let HT580L send “ATS0=1” to modem board (inside
cradle). Then, cradle can automatically pick up external calling after one ring tone. (After execute
“AUTO ANSWER”, it is not suggested to power off cradle, or “Auto Answer” function will be
disappeared)
In PC, you can use MultiEj to do modem communication with HT580L, you can setup modem function
from Options by check “Modem” check
Then setup to correct Initial command, dial number, and wait time.
Call from HT580L
Current, HT580L can support modem dial from F/W. We will provide modem function from EasyJob
in the future.
In PC side, you can use Hyperterminal to setup modem Auto Answer. And please put HT580L into
cradle and phone line should be connected to cradle. Then follow up below step
4. Execute
Setting Modem Phone to input correct phone number
5. Then execute Setting Modem Dial out to connect to remote
After end of communication, execute Setting Modem Hang to hang up phone.
