User manual

Notices & Technical Specifications A-9
Cable Specifications
Data Transfer Rate 10 Mbps
Accessing Scheme
CSMA/CD (Carrier Sense Multiple
Access with Collision Detection)
Topology
Star Wired Hub (using multiport
repeater)
Maximum Nodes Limited only by repeater used
Transmission Medium Unshielded Twisted Pair
Network Lobe
Distance
100 meters (328 ft.) suggested max.
Longer cabling can be used at the
expense of reduced receiver squelch
levels.
Connector
8-position modular jack, Stewart 88-
360808 or equivalent
Wire Type .5mm or 24 AWG twisted pairs
Maximum Cable
Length
100 meters (328 ft.) with standard
receiver squelch levels
Cable Loss
Must be
≤
11.5 dB/100 m for frequency
range of 5-10 MHz
Characteristic
Impedance
85-111 Ohms for frequency range of 5-
10 MHz
Propagation Delay
≤ 5.7 nanoseconds/meter
Cabling
RJ45 plug to RJ45 plug straight
through for multiport repeater
applications (Transmit to Receive
crossover cable for two-node network)