5. Line Settings
25
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:
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.
•
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:
Pay attension to the cooperation on both sides of the line, one master and one slaver--
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
1
:
the codec mode of the line:
*
In T1 mode: B8ZS or AMI is available.
*
In E1 mode: HDB3 or AMI is available.
- Impedance
*
:
impedance value of the line:
*
In T1 mode: only 100 ohm is available.
*
In E1 mode:
can be 120 ohm or 75 ohm
- Frame
*
:
you need to set this in T1 mode:
*
Sf:
super frame
*
Esf:
extended super frame
1. This parameter is different based on GA90's work mode (T1 or E1).