A-8 Technical Specifications
Token Ring
UTP Connector
Data Transfer Rate: 4 or 16 Mbps (megabits per second)
Accessing Scheme: Token Passing
Topology: Star Wired Ring
Maximum Nodes 72
for Physical Network:
Transmission Medium: Type 3Unshielded Twisted Pair
Network Lobe Distance: 100 meters (328 ft.) suggested
maximum, Level 4
Connector: 8-position modular jack, Stewart 88-
360808 or equivalent
Cable Specifications
Wire type: Belden 1154A or equivalent, 8
conductors in 4 twisted pairs
Maximum cable distance: 328 feet, 100 meters
Nominal direct 24 gage solid copper;
current resistance: .020 inches diameter;
25.7 ohms/1000 feet;
84.3 ohms/kilometer
Nominal outside diameter: .185 inches
Nominal impedance: 105 ohms
Nominal velocity 60%
of propagation:
Nominal capacitance 15.0 picofarads/
between conductors: foot; 49.2 picofarads/meter
Cabling: 8-position modular plug to 8-position
modular plug