Cisco Systems Cisco uBR10012 manual Standards Comparisons, B1, G D1, K

Appendix C Frequency Allocation

Standards Comparisons

Standards Comparisons

The following tables (Table C-1, Table C-2, and Table C-3) include data from Recommendation ITU-R BT.470.6, Conventional Television Systems (1998) and provide a comparison of the different standards.

Table C-1	Analog Television System Baseband Video Parameters
		M			N		B, B1, D1, G	H		I		D, K	K1		L
Lines per frame		525			625		625	625		625		625	625		625
Field rate (Hz)		Monochrome: 60			50		50	50		50		50	50		50
		Color: 59.94
Horizontal rate (Hz)		Monochrome: 15,750			15,625		15,625	15,625		15,625		15,625	15,625		15,625
		Color: 15,734.264
Video bandwidth (Mhz)		4.2			4.2		5	5		5.5		6	6		6
Table C-2	Analog Television Chrominance Subcarrier Frequencies
						B, B1, D, D1, G, H,					B, D, G, H, K, K1,			N/PAL1
			M/NTSC	M/PAL		K, N/PAL			I/PAL		L/SECAM
Chrominance subcarrier			3,579,545	3,575611.49		4,433,618.75			4,433,618.75		fOR =4,406,250			3,582,056.25
frequency (Hz)			± 10	± 10		± 5			± 1		± 2,000			± 5
											fOB =4,250,000
											± 2,000

1. This value applies to the combination N/PAL used in Argentina.

Table C-3 Analog Television System RF Parameters

	M	N	B, B1, G	H	I	D, D1, K	K1	L
Channel bandwidth at RF (MHz)	6	6	B=7	8	8	8	8	8
			B1, G=8
Frequency separation between	4.5	4.5	5.5	5.5	5.9996	6.5	6.5	6.5
visual and aural carrier (MHz)

NTSC Cable Television Channels and Relative Frequencies

Table C-4provides information on the NTSC frequency map for standard 6-MHz channels in North, Central, and South America as well as parts of Asia. Table C-5lists NTSC assignments for Japan.

Table C-4		NTSC Cable Television Channels and Relative Frequencies
	Channel	Channel	Bandwidth	Visual	Center	Aural Carrier	Incrementally Related		Harmonically Related
	No.1	No., EIA	(MHz)	Carrier (MHz)	Freq.	(MHz)	Carrier		Carrier
							Visual	Aural	Visual	Aural
	T-7	none	5.75-11.75	7	8.75	11.5	N/A	N/A	N/A	N/A
	T-8	none	11.75-17.75	13	14.75	17.5	N/A	N/A	N/A	N/A
		Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
	C-2									OL-18259-01