Appendix
21
1.2 System Specifications
Table 1.1 Ethernet Control LAN Transmission Line Specifications
Item
Specification
Complied Standards
IEEE 802.3
- 10BASE5
- 10BASE-T
- FOIRL
Transmission Configuration
Bus Type
Transmission Speed
10Mbps
Medium Access Method
CSMA/CD
Transmission Signal
Base Band
Transmission Line Length
Maximum 2.5km
No. of Connected Stations
Maximum 32 stations/system
Transmission Line Length
Maximum 2.5km (when repeaters are used)
10BASE5 :500m/segment
10BASE-T :100m/segment
FOIRL
:1000m/segment
Transmission Cable
10BASE5 :Coaxial Cable (so-called Yellow Cable, 50
Ω
)
AUI Cable (Transceiver Cable)
10BASE-T :Twisted Pair Cable
FOIRL
:Optical Cable (GI 50/125 two-wire)
Station Spacing
2.5 meters on a 10BASE5 coaxial cable
Connector Shape
10BASE5 :N-type
10BASE-T :Modular Plug
FOIRL
:FC-type or ST type
Grounding
Type-3 Grounding Process (One-point Grounding)
Transmission Line
Redundancy
Standard
Network Device Power
Supply Specifications
- Hub (MPR-855T)
Power Supply Voltage :
AC90
∼
110V(50/60Hz)
Power Consumption
:
17W or less
- Optical Repeater (MPR-410/T)
Power Supply Voltage :
AC85
∼
130V(50/60Hz)
Power Consumption
:
75W or less
- Electric Repeater (MPR-410/T-E)
Power Supply Voltage :
AC85
∼
130V(50/60Hz)
Power Consumption
:
75W or less