Nortel Networks BCM50 - Manual (Page 266)

266 Appendix N Market profile attributes
NN40020-302
GASI parameters
This section contains information for the onboard GASI interface.
GASI interfaces are not supported in the following market profiles: Australia, Bahrain, Brazil,
CALA, Denmark, France, Germany, Holland, Ireland, Italy, Mexico, New Zealand, Norway,
Poland, PRC, Spain, Sweden, Switzerland, Taiwan, UK.
Note that the GASI currently has not been localized for markets except North America. The GASI
will function in some profiles outside of North America; however, the interface will respond with
North American characteristics.
The GASI parameters are provided in the following tables:
Table 72 Dial pulse and DTMF parameters
Market profile
Dial pulse DTMF
Dial pulse
coding
scheme Min/max
break
duration (ms) Min/max
make
duration (ms) Min interdigit
pause
duration (ms) DTMF coding
scheme
(digits) Min DTMF
detect level
(dB)
Australia N 40/90 20/60 300 16 -36
Bahrain N 25/120 10/90 250 12 -36
Canada N 25/120 10/90 250 12 -36
Caribbean N 25/120 10/90 250 12 -36
Global N 25/120 10/90 250 12 -36
Hong Kong N 25/120 10/90 250 12 -36
Ireland N 15/200 15/200 200 16 -36
Mexico N 25/120 10/90 250 12 -36
New Zealand N 15/200 15/200 200 16 -36
North America N 25/120 10/90 250 12 -36
Poland N 44/88 25/48 400 12 -36
United Kingdom N 15/200 15/200 200 16 -36
Table 73 GASI parameters (Sheet 1 of 2)
Aspect Parameter
Market Profile
Canada Caribbean Global Hong Kong North America
Market Support Localized? Yes Yes No (North
American
Based A-Law) No (North
American Based
A-Law) Yes
Transmission Terminal Input
Impedance 600
Ω
600
Ω
600
Ω
600
Ω
600
Ω
Nominal Network
Input Impedance 600
Ω
600
Ω
600
Ω
600
Ω
600
Ω
PCM Coding
Scheme mu-Law mu-Law A-Law mu-Law mu-Law