Table 4: twisted pair cable, Unshielded untwisted, Ccitt – Allied Telesis AT-MR908TX User Manual
Page 29: None, Individual utp, 100w ±30w, Rs232 1base5 at&t pds, Typical individual utp, 100w ±15w, T1, at&t isdn 10base-t ibm type 3
AT-MR908TX Installation Manual
9
The six common modular cable specifications and their applicability to
100BASE-TX networks are shown in Table 4.
Table 4: Twisted Pair Cable
Alternative Installations
AT-MR908TX hubs can be installed within four different configurations:
standalone, cascaded, stacked and cascaded/stacked.
The following hub models can be used for standalone or cascaded hub
configurations:
❑
AT-MR908TX-10A
❑
AT-MR908TX-20A
❑
AT-MR908TX-30A
Cable
Cat
Cable
Description
AC
Character
Specification
Twist/Foot
100BASE-TX
OK?
1
Unshielded
Untwisted
N/A
CCITT
None
NO!
2
Individual
UTP
100
Ω
±
30
Ω
RS232
1BASE5 AT&T
PDS
None
NO!
3
Typical
Individual
UTP
100
Ω
±
15
Ω
T1, AT&T ISDN
10BASE-T
IBM Type 3
3-5
NO!
4
Enhanced
Individual
UTP
100
Ω
±
30
Ω
EIA, TIA
10BASE-T
NEMA
5-8
NO!
5
Individual
UTP
100
Ω
±
30
Ω
EIA, TIA
10BASE-T
8-10
YES
6
Individual
STP
150
Ω
±
30
Ω
EIA, TIA
10BASE-T
8-10
YES