Nortel Networks BCM 1000 manual Transmission parameters

Appendix G Market profile attributes 79

Table 24 Localization, PSTN standards, and pulse dialing parameters (Sheet 2 of 2)

					Pulse Dialing (ms)
				Break		Make	Interdigit
Market profile	Localized	PSTN standards		time		time	time
North America	Yes	N/A		60		40	700
Poland	Yes	[1]	Polish ASS_1_v1.doc	66		33	700
		[2]	ITU-T Telecommunication
		Standardization Sector of ITU
		Supplement2 Series E 01/94
Taiwan	Yes	[1]	Technical Specifications for	66		33	800
		Terminal Equipment for Connection
		to Public Switched Telephone
		Network, PSTN01, September 27,
		2001
United Kingdom	Yes	N/A		66		34	740

Table 25 Transmission parameters

				Transmission
				Loop length	Tx CO gain	Rx CO gain
	PCM coding			adjustment	(short, medium,	(short, medium,
Market profile	scheme	AC impedance		capability	long)	long)
Australia	A-law	220	Ω + (820 Ω	No	(N/A, 0, N/A)	(N/A, 6 dB, N/A)
		120nF)
Brazil	A-law	600	Ω/900 Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
CALA	A-law	600	Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
Canada	mu-law	600	Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
Caribbean	mu-law	600	Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
Global	A-law	600	Ω	No	(N/A, 3 dB, N/A)	(N/A, 3 dB, N/A)
Mexico	A-law	600	Ω	No	(N/A, 3 dB, N/A)	(N/A, 3 dB, N/A)
New Zealand	A-law	320	Ω + (1050 Ω	No	(N/A, 3 dB, N/A)	(N/A, 3 dB, N/A)
		230nF)
North America	mu-law	600	Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
Poland	A-law	600	Ω	No	(N/A, 3 dB, N/A)	(N/A, 3 dB, N/A)
Taiwan	u-law	600	Ω	Yes	(-3 dB, 0, 0)	(0, 0, 3 dB)
United Kingdom	A-law	320	Ω + (1050 Ω	No	(N/A, 3 dB, N/A)	(N/A, 3 dB, N/A)
		230nF

BCM 4.0 for BCM1000 Installation and Maintenance Guide Addendum