282 Appendix N Market profile attributes
NN40170-305
Ireland No (UK
based)
300 Ω + (1000
Ω || 220 nF)
25 10/150 310 N 20/125 10/230
Mexico No (North
American
Based A-Law)
600 Ω 20 290/1010 1500 N 20/130 15/130
New Zealand No (UK
Based)
300
Ω +
(1000
Ω ||
220 nF)
25 10/150 310 N 20/125 10/230
North America Yes 600
Ω 20 290/1010 1500 N 20/130 15/130
PRC No (North
American
Based A-Law)
600 Ω 20 290/1010 1500 N 20/130 15/130
Taiwan No (North
American
Based
mu-Law)
600
Ω 20 290/1010 1500 N 20/130 15/130
United Kingdom Yes 300
Ω +
(1000
Ω ||
220 nF)
25 10/150 310 N 20/125 10/230
Table 75 ATA2 DR6 Market Support, Transmission, Loop Interface, Call Supervision, and
Dial Pulse parameters (Sheet 2 of 2)
Market profile
Market
Support
Transmission
Loop
Interface
Call
Supervision Dial Pulse
Duration (ms)
Dial
Pulse
Coding
Scheme
Duration (ms)
Localized?
Terminal Input
Impedance
Ringing
Frequency
(Hz)
Min/
Max
Recall
Min
Clear
Min/
Max
Break
Min/
Max
Make
