Operation, The status screen (defaults shown) – Western Telematic RMM-288 User Manual
Page 3
AA
(Auto Answer)
On
Answer mode only: Modem is answering a call and
DIP Switch 5 is UP (Enable Auto Answer), or register
S0 is set to 1 (Auto Answer, 1 Ring).
Off
No activity, or modem is originating a call.
Flash
Incoming call.
CD
(Carrier Detect)
On
A valid data carrier signal has been received from a
remote modem, and Dip Switch 6 is UP (Normal
Carrier Detect). Modem is ready to transmit data.
The CD Indicator will remain ON constantly if Dip
Switch 6 is DOWN (Carrier Detect Override).
RD
(Receive Data)
Flash
Modem is sending result codes or passing received
data bits.
SD
(Send Data)
Flash
Computer is sending data bits.
TR
(Data Terminal
Ready)
On
Modem is receiving DTR signal from computer. The
TR indicator will only function when Dip Switch 1 is
UP (Normal DTR). Remains ON constantly if Dip
Switch 1 is DOWN (DTR Override).
CS
(Clear to Send)
On
Hardware flow control is enabled (&H1, &H3),
modem is waiting for low CTS signal.
3. Operation
The following commands can be used to display current configuration status and various help menus:
View Modem Setup:
ATI4
Basic Help Menu:
AT$
Dial Command Help Menu:
ATD$
Configuration Command Help Menu:
AT&$
List of S-Registers:
ATS$
Reset Modem to Default Profile 0:
ATZ3
When the View Modem Setup command (ATI4) is invoked, the RMM will display a status screen as
shown below.
RMM Rack Mount Modem; User's Guide
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