Data modules and asynchronous data units
555-233-116
62 Issue 4 October 2002
5. For each prompt, if you want to sele ct t he i nter fac e, pr es s the ENTER/YES
button or, if you want a different interface, press the NEXT/NO button.
a. Enable the answer-only interface if the data module must operate
without any kind of external control:
b. Enable the AT-command interface if users need to control the data
module remotely, using a dial-up connection and Hayes-compatible
modem commands:
c. Enable the keyboard-dial interface if users need to control the data
module interactively, from a terminal:
After you select an interface, the data module runs a self-test and returns
to the HOME screen.
INT=ANS ONLY? DATA NEXT/NO BACK ENTER/YES
❍❍
Select an option (NEXT/NO or ENTER/YES)
INT = AT COM? DATA NEXT/NO BACK ENTER/YES
❍❍
Select an option (NEXT/NO or ENTER/YES)
INT = KYBD DIAL? DATA NEXT/NO BACK ENTER/YES
❍❍
Select an option (NEXT/NO or ENTER/YES)
D
T
R
D
S
RR
I
D
C
D
R
T
S
C
T
ST
DR
DHOME
POWER
TEST 00000—— DATA NEXT/NO BACK EN TER/YES
7400A Data Module ❍❍❍