Toshiba TC-net 100 User Manual

36 Information and Control Network TC-net 100 Optical Shared Hub Unit UTNH23A/B User’s Manual
Appendix A Specifications
A
A.2 TC-net 100 Transmission Specifications
Table A-2 Ethernet Transmission Specifications
Item Specifications
Media access DOMA (Deterministic Ordered Multiple Access)
Data transmission rate 100Mbps
Topology Star
Transmission line Single bus, dual bus
Transmission cable, cable
length
• Optical fiber cable: 2 km
• Twisted-pair cable: 100 m (with shield)
No. of nodes 254 nodes maximum per system (Optical shared hub UTNH23A included in the
number of nodes)
No. of hub rows 5 rows in cascade
Transmission mode Scan transmission
High-speed cycle: 1 ms to 160 ms
Medium-speed cycle: 2 ms to 1,000 ms
Low-speed cycle: 2 ms to 10,000 ms
Message transmission
TCP/IP message transmission/reception
Scan transmission capacity 128 kW per system (16 bits per word)
2048 blocks per system (64 W per block)
Transmission capacity: 576 blocks per node (36 KW per node)
Status change detection
No. of change detection words: 256 per node
Change detection cycle: No. of change detection words x 30μs
Detection signal intervals: 50 ms or more
Interface Optical
MT-RJ optical connector
Electric
RJ45 modular connector
Cable Optical
Quartz GI cable (62.5/125 long wavelength) or 50/125 long wavelength
Electric
Enhanced category 5 twisted-pair cable

Toshiba TC-net 100 Specifications

General

Brand	Toshiba
Model	TC-net 100
Category	Network Hardware
Language	English