Key Features of the TA128
Speed and Compatibility
• Plug and Play support for Win95 environment.
• Full compatibility with both ISDN and remote PSTN via ISDN.
• Supports leased line operation.
• Multiple signaling protocol compatibility with the following
network switches: DSS1, 1TR6, NI-1, AT&T 5ESS, and
Northern Telecom DMS 100.
• Supports X.75, V.110, V.120, and PPP Async-to-Sync
Conversion B Channel protocols.
• B Channel speeds of 56Kbps(in-band Signaling) and 64Kbps
(out-of-band Signaling).
• 112Kbps/128Kbps channel bundling: MLP, CCB, and Multilink
PPP(RFC1661).
• V.42bis data compression using the X.75, V.120, and Bundle
protocols.
• STAC data compression using PPP/MP
• Two application program interfaces:
• ZyXEL ISDN AT Commands
• CAPI 1.1a and CAPI 2.0.
Intelligent Features
• Automatic ISDN/analog call detection.
• Feature Phone operation, including call back, broker, and three-
way conferencing.
• Two independent DTE ports:
• DTE Port #1
Asynchronous: Auto Baud Rate up to 460.8Kbps
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