Hitachi GR2000 manual NWVX-4 NWVX-8

Physical	Line speed range	Supported or not.		Restrictions on	Corresponding cable model
interface	(Xkbit/s)			cable length
		NWVX-4	NWVX-8
V.24	2.4 < X < 9.6	X	O	16 m or less	HN-F9355-71F, HN-F9355-71H,
					(Note 1)
	9.6 < X < 19.2	O	O	16 m or less	HN-F9355-71F, HN-F9355-71H,
					(Note 1)
	19.2 < X < 28.8	O	O	3 m or less	HN-F9355-71F (Note 1)
V.35	48.0 < X < 1024.0	O	O	16 m or less	HN-F9355-72H (Note 1)
	1024.0 < X < 1536.0	O	O	10 m or less	HN-F9355-72H (Note 1)
	1536.0 < X < 2048.0	O	O	5 m or less (Note 2)	HN-F9355-72H (Note 1)
	2048.0 < X < 3072.0	O	X	5 m or less (Note 2)	HN-F935-72H (Note 1)
	3072.0 < X < 6144.0	O	X	1 m or less	(Note 1)
X.21	2.4 < X < 9.6	X	O	16 m or less	HN-F9355-73H (Note 1)
	9.6 < X < 1024.0	O	O	16 m or less	HN-F9355-73H (Note 1)
	1024.0 < X < 1536.0	O	O	10 m or less	HN-F9355-73H (Note 1)
	1536.0 < X < 2048.0	O	O	5 m or less	HN-F9355-73H (Note 1)
	2048.0 < X < 3072.0	O	X	5 m or less (Note 2)	HN-F9355-73H (Note 1)
	3072.0 < X < 6144.0	O	X	1 m or less	(Note 1)

(Note 1) The above corresponding cable model indicates the type of standard cables. Special order cables are also