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.