Cabletron Systems SEH100TX-22 - Manual (Page 21)

Network Port Specifications
SEH100TX User’s Guide 3-5
Table 3-1 summarizes the maximum segment lengths for the type and
combination of cables used with a Class I repeater.
3.3 NETWORK PORT SPECIFICATIONS
The SEH network ports use shielded RJ45 connectors that support UTP
cabling. Figure 3-2 shows the RJ45 pinouts.
Figure 3-2 RJ45 Network Port Pinouts
!
CAUTION
The maximum length of an individual UTP segment may be no
more than 100 meters for proper operation.
Table 3-1 Maximum Class I Network Cable Length
Number
of
Repeaters
UTP
UTP &
Multimode
Fiber Optics Multimode
Fiber
Optics UTP &
Buffered
EPIM
Fiber
Optics&
Buffered
EPIM
1 200 m 263 m 274 m 500 m 800 m
1 2 3 4 5 6 7 8
1. Receive + 5. Not Used
2. Receive - 6. Transmit -
3. Transmit + 7. Not Used
4. Not Used 8. Not Used
11X 10X 9X
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