26
GA90 Modular Gateway User’s Manual
- Lbo*:
set it in T1 mode: compensable value may be 0, -7.5, -15, -22.5 db
- Cable
Length
1
:
set it in T1 mode: suitable line length is 133, 266, 399, 533, 635 feet
- CRC:
if signal CRC(cyclic redundancy check or code) is enabled.
- Tx
Gain:
the value of signal's Tx Gain: -31~+31db
- Rx
Gain:
the value of signal's Rx Gain: -31~+31db
- Echo
Cancellation:
if enable echo cancellation and set range for echo cancellation, count
in second.
- RxCode Max Length:
combined with
RxCode Time Out
. The maximal reveived digit
length within valid receiving period.
- RxCode
Time
Out:
combined with
RxCode Max Length
. The maximal time range of
receiving digits, count in second.
- AA
State:
if enable AA for this line.
Note:
If enabled, the dialed number after calling-in is invalid, user should operate as AA's
prompts.
- Phone Number Begin:
combined with
Phone Number End
. it's for replacing caller
number which displayed on the counterpart's screen. The begin number and end number
compose a continuous number segment. For example: config 30 number in E1 mode, so
the beginning number is 82341001, and the last number is 82341030.
- Phone Number End:
combined with
Phone Number Begin
. it's for replacing caller
number which displayed on the counterpart's screen. The begin number and end number
compose a continuous number segment. For example: config 30 number in E1 mode, so
the beginning number is 82341001, and the last number is 82341030.
1. This parameter is different based on GA90's work mode (T1 or E1).