ZYXEL COMMUNICATIONS CORPORATION

U-1496E/U-1496E+

Modem Type

Data (synchronous/asynchronous)/Fax/Voice

Maximum Data Rate

19.2Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

CCITT V.21, V.22, V.22bis, V.23, V.26bis, V.27bis, V.29, V.32, V.32bis, V.33

ZyXEL 16.8Kbps, 19.2Kbps, ZyCELL 4800bps-19.2Kbps cellular

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP2-5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

DC power

CN3

Line in

CN2

RS-232/422

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is in 9600bps or faster mode.

HS

Red

Off

Modem is in slower than 9600bps mode.

HS

Red

Blinking

Modem is retraining speed.

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Line is ringing

CD

Red

On

Carrier signal has been detected.

CD

Red

Off

Carrier signal has not been detected.

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

DTR

Red

On

DTR signal is high

DTR

Red

Off

DTR signal is low

DSR

Red

On

DSR signal is high

DSR

Red

Off

DSR signal is low

CTS

Red

On

CTS signal is high

CTS

Red

Off

CTS signal is low

TXD

Red

On

Modem is transmitting data

TXD

Red

Off

Modem is not transmitting data

RXD

Red

On

Modem is receiving data

RXD

Red

Off

Modem is not receiving data

EC

Red

On

Modem is in error-correcting mode.

EC

Red

Off

Modem is not in error-correcting mode.

SQ

Red

On

Signal quality is good.

SQ

Red

Off

Signal quality is poor; at power-up, indicates an error.

TST

Red

On

Modem is in test mode.

TST

Red

Off

Modem is not in test mode.

Proprietary Command Set

See document V1036 for a full command summary.