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The 2864 series standard features – ZyXEL Communications 2864 User Manual

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1–4

The 2864 Series Standard Features

Synchronous/Asynchronous operations for external stand alone models and

rack mount

models. (Parallel port interface is for asynchronous transmission

only)

Asynchronous operations for PC internal card model.

MNP class 4/5 error correction/data compression.

V.42/V.42bis error correction/data compression. V.42 with selective reject.

Extended AT command set.

V.25bis async/sync command set.

Operation on 2-wire dial-up line or 2/4-wire leased line. (4-wire leased line on

2864L only.)

Auto-dial/answer and manual originate/answer.

Tone/Pulse dialing.

Dial tone, busy signal, and ringback detection.

Programmable speaker volume control.

*. V33, V.29, V.27bis and V.26bis are only available in model 2864L for 4-wire

leased-line operation. The other operation modes are common to all models.
V.26bis works in half-duplex mode on 2-wire dial-up line.

†. 1800 Hz guard tone for V.22bis/V.22 answer mode, 6 dB below data signal level.

V.27bis

*

2 400

1 200

4-DPSK

1800

V.26bis

*

2 400

1 200

4-DPSK

1800

V.23

1200 / 75

1200 / 75

FSK

V.23

600 / 75

600 / 75

FSK

V.22bis

2 400

600

16-QAM

1200 Orig.
2400 Ans.

V.22

(BELL 212A)

1 200

600

4-DPSK

1200 Orig.
2400 Ans.

V.21

300

300

FSK

BELL 103

300

300

FSK

G3 FAX

implemented according to T.30, V.17,V.29 and V.27ter.

Cellular Modes

ZyXEL proprietary cellular modes; 14400 bps to 4800 bps.

Standard

Bit rate
(+/-0,01%)
[bps]

Baud rate
(+/-0,01%)
[baud]

Modulation

Carrier
frequency
[Hz]