Table of Contents
Advertisement
This appendix describes basic Token Ring cabling terminology and
details guidelines for installing cable. Consult Appendix C for design and
performance specifications for the different types of media used in Token
Ring networks.
B.1 TRUNK CABLING
Trunk cabling serves as the medium for interconnection of network
concentrators and their lobe ports (see
and RO) connect to one another via trunk cabling. Trunk cabling provides
both the main and secondary ring paths. Shielded Twisted Pair (STP),
Unshielded Twisted Pair (UTP), and fiber optic media are used for trunk
cabling. Performance capability varies among the media types. Fiber
provides the greatest distance capability and signal-interference
immunity, and STP provides greater distance capability and
signal-interference immunity than UTP.
Concentrator/Hub
2 4
2 3
2 2
2 1
2 0
1 9
1 8
RI
12
11
10
9
8
7
6
Figure B-1. Trunk And Lobe Cabling Configuration
APPENDIX B
CABLING
RI
2 4
12
1 7
1 6
1 5
1 4
1 3
RO
5
4
3
2
1
Figure
B-1). Ring ports (i.e., RI
Lobe Cable
2 3
2 2
2 1
2 0
1 9
1 8
1 7
1 6
1 5
1 4
1 3
11
10
9
8
7
6
5
4
3
2
1
Trunk Cable
RO
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
RI
12
11
10
9
8
7
6
5
1 6
1 5
1 4
1 3
RO
4
3
2
1
B-1
Advertisement
Table of Contents
