T1/E1 Settings - Zed-3 GA90 User Manual

5.3.2 Parameters Descriptions
•
Phone Number: The phone number of this line.
•
Polarity Reversal: If enable Polarity Reversal function.
If enable, the program has the same process when detect Polarity Reversal and busy prompt.
•
Enable AA: If enter AA (Auto Attendant) when dialing in via this line.
5.4

T1/E1 Settings

GA90 supports up to 4 T1/E1 interface cards. So T1/E1 setting page defaultly shows slot1~slot4
four setting items. But only available T1/E1 card is configurable, otherwise is gray unconfigurable.
Note:
•
General: physical protocol standards for all T1/E1 module on GA90. T1 is North-America
standard and E1 is European standard.
•
Slot1~n:
- Active: if the T1/E1 card is available on this slot. You need to set these if available:
Note:
can not be the same setting when you set Protocol and Clock Source.
- Protocol: GA90 supports the interconnection with PSTN, you may set signal protocol for
GA90 here: PRI User Side (ISDN user side) ?PRI Network Side (ISDN network side) or
R2(Chinese No.2) .
- Clock Source: the clock mode of this line : Master or Slave clock.
- Line Code
*
*
- Impedance
*
*
- Frame
*
*
1. This parameter is different based on GA90's work mode (T1 or E1).
Click [Set] after setting on this page, the system will prompt you to reboot the system
(run Reboot System on the page of Maintenance > System Reboot) to make your
settings work.
Pay attension to the cooperation on both sides of the line, one master and one slaver--
1
: the codec mode of the line:
In T1 mode: B8ZS or AMI is available.
In E1 mode: HDB3 or AMI is available.
*
: impedance value of the line:
In T1 mode: only 100 ohm is available.
In E1 mode: can be 120 ohm or 75 ohm
*
: you need to set this in T1 mode:
Sf: super frame
Esf: extended super frame
5. Line Settings
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