ZyXEL Communications U-336R, User Manual

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Introduction 3
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EDR (extended Distinctive Ring).
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Flash EPROM memory lets you easily upload new firmware,
providing you with easy access to new features.
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ZyXEL exclusive Kernel Recovery Mode for no hassle recovery
from failed flash uploads - no factory repairs.
Fax Compatibility
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EIA Class 1, 2, and 2.0 Fax commands.
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ITU-T V.17 G3: up to 14,400bps.
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ITU-T V.29 G3: up to 9,600bps.
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ITU-T V.27ter G3: up to 4,800bps.
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ZyXEL Fax AT commands.
Technical Specifications
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Operating mode: auto-dial/answer.
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Flow control: software XON/XOFF or hardware CTS/RTS.
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Data/Voice toggle switch.
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Configuration settings: software programmable with non-
volatile memory for phone number/profile storage.
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Diagnostics: self test, analog loopback (with self test), digital
loopback, and remote digital loopback (with self test).
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Dialing type: tone/pulse dialing.