Siemens Permitted Cable Lengths, Cascading Depth, Switching Properties of OSM/ESM

Technical Specifications

Permitted Cable Lengths
FO cable length between two OSMs	For OSM ITP62, OSM ITP53, OSM
	TP62, OSM TP22:
	0-3000 m (62.5/125 ∝m glass fiber; 1
	dB/km at 1300 nm; 600 MHz*km; 6 dB
	max. permitted FO cable attenuation at 3
	dB link power margin)
	0-3000 m (50/125 ∝m glass fiber; 1
	dB/km at 1300 nm; 600 MHz*km; 6 dB
	max. permitted FO cable attenuation at 3
	dB link power margin)
	For OSM ITP62-LD:
	0-26000 m (10/125 ∝m single mode
	fiber; 0,5 dB/km at 1300 nm; 13 dB max.
	permitted FO cable attenuation at 2 dB
	link power margin)
ITP cable length	0-100 m
TP cable length	0-10 m with TP cord
	up to 100 m total length when using the
	FastConnect cabling system
Length of the ITP XP Standard Cable	0-40 m
9/9 at standby-sync port
Cascading Depth
Bus/star structure	Any (only depending on signal
	propagation time)
Redundant ring	50 (for reconfiguration time < 0.3 s)
Switching Properties of OSM/ESM
Number of learnable addresses		Up to 7000
Aging time		40s (default)
Latency		4 ∝s (measured at 75% load between
		two ports operating at 100 Mbps)
Switching procedure		Store and forward

80	Industrial Ethernet OSM/ESM
	C79000-Z8976-C068-10