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Chapter 3. Using the Express Configuration Program
3-12 Express 3000 User Manual 61203153L2-20
General Tab
The General Tab lets you set Protocol, DTE, and POTS parameters.
Protocol
Sets the protocol type: PPP Async-Sync, Async Bonding, V120,
Fallback.
The Express 3000 communicates with many different types of tele-
communications equipment including other Express 3000 units,
other ISDN terminal adapters, and PPP-compatible devices. Com-
munication between such devices requires various rate adaption
protocols supporting various bit rates and RS-232 connector set-
tings (protocol type).
PPP Mode
Selects the PPP mode the Express 3000 uses: Point-to-Point (PPP)
Async-to-Sync, Multilink PPP (MP), or PPP with Compression.
Enable Bandwidth on Demand
Uses the thresholds defined in the
Protocols
tab to bring up and
down multilink channels, when this feature is enabled.
Disable BACP
Controls the negotiation of Bandwidth Allocation Control Proto-
col (BACP). BACP allows the client and server to exchange phone
number information and bring up and down channels, as needed.
Check
Enable Bandwidth on Demand
to use this feature.
DTR Options
Sets the following DTR options:
Ignore DTR
Disregards the state of the data terminal ready
(DTR) signal on the EIA-232.
AT Command when
Off
Forces the unit into the AT command processor
mode when DTR is not asserted. To return on-
line, DTR must be asserted and the
ATO
com-
mand must be issued.
Answer if On
Answers incoming calls only if DTR is asserted.
I
dle when Off
Forces an end to the current call when DTR is no
longer asserted.