Toshiba V Series Operation Manual page 93

A.2 Ethernet Transmission Specifications
Item
Applicable standard
Media access
Data transmission speed
Ethernet frame
Topology
Transmission path
Transmission cable/cable
length
Segment
No. of nodes
No. of repeaters
No. of EN6 modules
Interface
Drop cable for line B
Note: It applies to the specifications of an application system correspondingly.
(ex. TOSDIC-CIE 1200, the numbers of nodes are a maximum of 64 nodes.)
6F8C0879
Table A-3 Ethernet Transmission Specifications
IEEE802. 3
• 10BASE5
• 10BASE2
• 10BASE-T
IEEE802. 3u
• 100BASE-TX
CSMA/CD
10Mbps/100Mbps
DIX type
Bus, Star
Single bus
Dual bus
EN611, EN621, EB621 (10BASE5)
• Yellow cable for Ethernet: 500 m maximum
(Coaxial cable: Characteristic impedance 50 ohms)
• AUI cable: 15 m maximum
Recommended cable
AUI15 –[ ] M (Showa Electric Wire & Cable Co., Ltd.)
EN631, EN641, EB641 (10BASE2)
• 3D-2V (as drop cable or for indoor use)
• 5D-2W (as trunk cable or for use from indoor to control room): 185 m maximum
EN651, EN651A, EN661 (100BASE-TX/10BASE-T)
• Category 5 twisted pair cable : 100m maximum
5 segments maximum between nodes
Of the 5 segments, 3 cable segments maximum
256 nodes maximum per system (Note)
126 nodes maximum per system (Note)
100 nodes maximum/segment : 10BASE5
30 nodes maximum/segment : 10BASE2
(node includes repeater)
4 repeaters maximum per system
4 modules maximum per base unit (Multiport)
(Excluding EB6 module in a system of dual transmission line configuration)
EN611, EN621, EB621 (10BASE5)
15-pin D-sub connector (socket) with slide lock
EN631, EN641, EB641 (10BASE2)
BNC connector
EN651, EN651A, EN661 (100BASE-TX/10BASE-T)
RJ-45 connector
To connect EN621 to EB621, or EN641 to EB641
• GCM-04-GY-(??)M-S (Showa Electric Wire & Cable Co., Ltd.)
3 m maximum (70 mm standard)
A.2 Ethernet Transmission Specifications
Specifications
A
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