User manual

Cabling
31
The six common modular cable specifications and their
applicability to 10BASE-T network use are shown in Table 5,
and cable schematics are shown in Figure 2.
NOTE 1. To use IBM Type 1 cable, the 150 Ω Twisted Pair Type selection must
be made in the CardAssistant Configuration menu.
Table 5: Usable and Unusable 10BASE-T Cable
Cable
Level
Cable
Description
AC
Char.
Specifi-
cation
Twist/
Foot
10BASE-T
OK?
1
Unshielded
untwisted
N/A CCITT none NO!
2
Unshielded
Indv.Twisted Pairs
100 Ω
± 30 Ω
RS-232 1BASE5
AT&T PDS
none NO!
3
Typ. Unshielded
Indv. Twisted
Pairs
100 Ω
± 15 Ω
TI, AT&T ISDN
10BASE-T
IBM Type 3
3-5 YES
4
Unshielded
Enhanced Indv.
Twisted Pairs
100 Ω
± 30 Ω
EIA, TIA
10BASE-T
NEMA
5-8 YES
5
Shielded
Indv. Twisted
Pairs
100 Ω
± 30 Ω
EIA, TIA
10BASE-T
8-10 YES
IBM
Type 1
Shielded
Indv. Twisted
Pairs
150 Ω PCC FT 1 N/A YES
1
613-10434-00.bk Page 31 Monday, March 18, 1996 2:53 PM