10 dialing with rs366 commands, 1 command types, 2 escape character – Zhone Technologies 900 User Manual

Page 54: Dialing with rs366 commands -42, Command types -42, Escape character -42

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IMACS System Release 5.1.6

Data Cards

Model No.

Running Head

HSU Card User Screens and Settings

HSU Card

1.3.10 Dialing with RS366 Commands

When the system is equipped with a Model 821360 HSU card, two dialing ports are available
for use by that card. Those RS366 ports can also be made available to all HSU cards in the
system regardless of the model number using the “Master Dialing” feature.

DTE, such as FAX machines, video codecs and other equipment with dialing capability can
send dialing commands to the system using these special dialing ports. The commands are
either stores in call profiles or RS366 standard commands using the keypad.

These commands are used to dial a call, call profiles, change the amount of channels required
for the session, change service and call types, establish and clear loopback modes and set
protocol specific parameters.

The dialing commands are approved by the SDSAF (Switched Digital Services Applications
Forum) Subcommittee on DTE-DCE Interfaces (an industry group that has defined extensions
to the standard RS366 specifications to support dialing of switched digital services).
Additionally, the system has implemented several extensions to be used specifically with call
profile information.

Since the RS366 protocol only allows the transmission of digits, * and #, the command
structure must be made up of these characters.

1.3.10.1 Command Types

There are five specific commands available that will override the call profile parameters of the
selected HSU port. Each command will be covered as a specific section.

Basic Change

Call Profile Loading

Loopback Management

Call Profile Change

Master Dialing

1.3.10.2 Escape Character

The Escape Character marks the beginning of the new command. It can also be used to initiate
an action (i.e. dial a phone number).

Values for the Escape Character can be: *, #, 5, 6, 7, 9, 0 (zero) or 00 (double zero). The default
value is *.

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