Huawei IAD108A User Manual page 144

User Manual
U-SYS IAD108 Integrated Access Device
Table 5-4 Parameters descriptions
Item
portid The number of the slot, ranging 0–7
The start and end port numbers in the batch-adding commands,
ranging 0–7. The start port number cannot be greater than the end
portid
port number.
The gain type of the PSTN access user. The value of this parameter
represents the voice volume sent and received at the PSTN port. The
more the gain is, the louder the voice will be The gain is calculated in
voicegain dB. The sum of the send and receive gain ranges 0–17. Value 0
means high gain, while 1 means low gain. If this parameter takes
other values, it means the send gain and receive gain are different.
The default value is high gain.
Whether permit pulse dialing at the PSTN port. The value can be
pulse-dial
"enable" or "disable". Default is "disable".
Whether the PSTN port provides polarity reversal function. The value
pole
can be "normal" or "reverse". Default is "reverse".
The values of the parameter voicegain are listed in Table 5-5.
Table 5-5 Values of the parameter voicegain
Parameter value
0
1
2
3
4
5
Description
Send gain (dB)
3
3
3
3
3
3
5-7
Chapter 5 Advanced
Configuration
Receive gain (dB)
3
0
-3.5
-7
-12
-8.5