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5.5 SWITCHED 56 DIALING COMMANDS (MODELS 2510 & 2520)
To access the Switched 56 dialing capabilities of the Mode 2500
Series, go to the Main Menu (see Section 4.2) and select item 5, “Set
Switched 56 Dialing Parameters”. This will take you to the Switched 56
Menu (see below). The following paragraphs describe the commands
in the Switched 56 Menu.
Store Phone Number (Enable DTR Dialing)
Selecting item 1 in the Dial Menu lets you activate the Model 2500
Series’ “DTR Dialing” feature by storing a phone number in the unit’s
non-volatile memory. The Model 2500 Series automatically dials this
number when the DTE raises the DTR lead. When you issue this
command, the Model 2500 Series responds with this prompt:
Enter up to 12 digits (without hyphens or other alphabetic characters),
followed by [RETURN]. For example: “13015551212.”
Note: To disable DTR dialing, press [RETURN] (and nothing else)
when asked to enter the number to be stored.
(continued)
Read Stored Number
Selecting item 2 in the Dial Menu lets you view the phone number
currently stored in the Model 2500 Series non-volatile memory.
Dial New Number
Selecting item 3 in the Dial Menu lets you dial a number other than
the one stored in non-volatile memory. When you select this menu
item, the Model 2500 Series responds with this prompt:
Enter up to 12 digits (without hyphens or other alphabetic characters),
followed by [RETURN]. For example: “13015551212.”
After dialing the number, the Model 2500 Series will display the
message, “Dialing” and then display each number as it is dialed. The
Model 2500 Series will then prompt the user to wait while the
connection is made. One of the following messages will then be
displayed to indicate the success or failure or the connection:
•
CONNECT: The called unit has answered.
•
NO WINK: The central office did not send a wink signal
within 5 seconds of line seizure.
•
SHORT WINK: A wink signal less than 120 milliseconds
was received.
•
LONG WINK: A wink signal greater than 320 milliseconds
was received.
•
NO CARRIER: The called unit did not answer within 30
seconds.
•
DTR OFF: DTR must be on to dial.
•
OFF HOOK: The Model 2500 Series is already off-hook and
in data mode.
Note: The control port will not respond to additional commands until
one of the above response messages is issued.
Hang Up
Selecting item 4 in the Dial Menu terminates the call.
CAUTION! For proper Switched 56 operation, you must enable
the Circuit Assurance and Force RTS options as described in
Section 4.0. Failure to do so may prevent the Model 2500
Series unit from answering incoming Switched 56 calls.
CAUTION! Pressing [RETURN] by itself will erase any
previously stored number from the unit’s non-volatile memory
and cannot be undone. This will also disable DTR dialing.
