ZyXEL Communications omni.net LCD+M User Manual

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Technical Reference for ZyXEL omni.net series 
 
8-14
password for matching with the local omni.net pre-stored password list. 
With a Type 2 connection, the remote terminal will be prompted to enter the password at the initial 
connection and the local omni.net will match the entered password with the pre-stored password 
list. 
These two types of security are summarized in the following table: 
 
Type 1 Security 
Type 2 Security 
Remote 
(Calling) Site 
ZyXEL ISDN device only. 
Any brand ISDN TA. 
Password 
Check 
Automatic Interactive 
Protocols 
Supported 
X.75, V.120 
Any data protocol (V.110, V.120, X.75) 
AT Commands 
[AT*G1] for Level 1 security 
[AT*G2] for Level 2 security 
[AT*G3] for Level 1 security 
[AT*G4] for Level 2 security 
[AT*G5] for Level 3 security 
Table 53. Two Types of Security Settings