USRobotics NETServer/8 - Manual (Page 223)

Technical Specifications A-7
Token Ring Network Interface Card
Token Ring
    
STP Connector
Data Transfer Rate: 4 or 16 Mbps
Accessing Scheme: Token Passing
Topology: Star Wired Ring
Maximum Nodes 250
for Physical Network:
Transmission Medium: Type 1

Individual Shielded Pair
Network Lobe Distance: 100 meters (328 ft.) suggested
maximum
Connector: DB9, AMP 747844-3 or equivalent
Cable Specifications
Wire type: Belden 96888 or equivalent, 4 con-
ductors in 2 individually shielded
pairs, copper braid shield overall
Maximum cable distance: 328 feet, 100 meters
Nominal direct 22 gage solid copper;
current resistance: .0255 inches diameter;
16 ohms/1000 feet;
52.5 ohms/kilometer
Nominal outside .310 inch x .455 inch
diameter:
Nominal impedance: 150 ohms
Nominal velocity 78%
of propagation:
Nominal capacitance 8.5 picofarads/ foot;
between conductors: 27.9 picofarads / meter
Cabling: DB9M to DB9M