Fax Function; Table 9. Fax Physical Layer Capacity; Fax Physical Layer Protocol - ZyXEL Communications OMNI 56K User Manual

User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
Verify (Enter the new supervisor password again)
********
OK
The command AT*Hn will modify the nth user password and the supervisor password on the
screen for viewing. Again ,You will be prompted to enter the supervisor password first.
The commands below will enable different types and levels of security:
Code Description
*G0 Disables security function.
*G1 Enables type 1 and level 1 security, with password check.
*G2 Enables type 1 and level 2 security, with password check and call-back.
*G3 Enables type 1 and level 1 security, with password check.
*G4 Enables type 1 and level 2 security, with password check and call-back.
*G5 Enables type 2 and level 2 security, with password check and call- back, remote site
enters the call-back number.
NOTE: Before the security type or level can be changed, the modem requires the supervisor
password.
For type2 security, the remote site will be prompted to enter the user password. A maximum of 3
tries in 40 seconds is allowed. If a correct password is not entered within this time limit, the line will
be disconnected. If the remote site is to enter the call-back number, it will be prompted to do so.

Fax function

Fax Physical Layer Protocol

Standard Bit Rate [bps]
V.17 14400-7200
V.29 9600-4800
V.27ter 4800-2400
V.21 300
3-12
Baud Rate [baud]
2400
2400
1600/1200
300

Table 9. Fax Physical Layer Capacity

Modulation Carrier Frequency [Hz]
TCM 1800
QAM/DPSK 1700
PSK/DPSK 1800
FSK