Nortel Networks BCM50 User Manual
Page 267

Appendix N Market profile attributes
267
Installation and Maintenance Guide
Loop Interface
Ringing Frequency
(Hz)
20
20
20
20
20
Ringing Amplitude
(Vrms)
63
63
63
63
63
Loop Current Detect
Threshold (mA)
10.16
10.16
10.16
10.16
10.16
Loop Current Limit
(mA)
26
26
26
26
26
Call
Supervision
Minimum Seize
Duration (ms)
200
200
200
200
200
Minimum Answer
Duration (ms)
10
10
10
10
10
Minimum/Maximum
Recall Duration (ms)
250/1100
250/1100
250/1100
250/1100
250/1100
Minimum Clear
Duration (ms)
1400
1400
1400
1400
1400
Disconnect
Supervision OSI
Time (ms)
800
800
800
800
800
Dial Pulse
Dial Pulse Coding
Scheme
N
N
N
N
N
Minimum/Maximum
Break Duration (ms)
25/120
25/120
25/120
25/120
25/120
Minimum/Maximum
Make Duration (ms)
10/90
10/90
10/90
10/90
10/90
Minimum Interdigit
Pause Duration (ms)
250
250
250
250
250
DTMF
DTMF Coding
Scheme
(digits)
16 16
16 16 16
Min DTMF Detect
Level (A) (dBm)
-27
-27
-27
-27
-27
MWI
HIgh Voltage (HV)
Supported -
95V
Supported -
95V
Supported -
95V
Supported - 95V
Supported - 95V
Line Reversal (LR)
Not Supported
Not Supported Not Supported
Not Supported
Not Supported
Tone
Supported
Supported
Supported
Supported
Supported
Class MWI
Not Supported
Not Supported Not Supported
Not Supported
Not Supported
On-hook Caller
ID
FSK Support
Yes - Bellcore
Yes - Bellcore
Yes - Bellcore
Yes - Bellcore
Yes - Bellcore
DIsconnect
Supervision
OSI
Supported
Supported
Supported
Supported
Supported
Busy Tone
Not Supported
Not Supported Not Supported
Not Supported
Not Supported
Line Reversal
Not Supported
Not Supported Not Supported
Not Supported
Not Supported
Table 73 GASI parameters (Sheet 2 of 2)
Aspect
Parameter
Market Profile
Canada
Caribbean
Global
Hong Kong
North America