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About the Passport 8100 Modules
204515-C 1-11
Passport 8148TX 48-Port I/O Module
The Passport 8148TX module provides 48 autonegotiating 10/100 Mb/s ports
(Figure 1-5
). Each port can operate in full- or half-duplex mode. Autonegotiation
circuitry automatically negotiates the highest possible data rate and the duplex
operation possible with the attached device, if the attached device supports IEEE
802.3u autonegotiation.
Figure 1-5. Passport 8148TX Edge Switch Module
The port connectors are modular RJ-45 connectors with MDI-X wiring. This port
can be connected to an MDI port (for example, a workstation or server) using a
straight-through cable.
The Passport 8108TX module uses 10BASE-T/100BASE-TX RJ-45 port
connectors to connect to 10 Mb/s or 100 Mb/s Ethernet segments or nodes.
Refer to Appendix A, “Technical Specifications
,” for more information about the
RJ-45 port connectors.
Note: For 10 Mb/s connections, you can use Category 3, 4, or 5 copper
unshielded twisted pair (UTP) cable. Use only Category 5 UTP cable to
connect ports that will operate at 100 Mb/s.
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