Cabletron Systems 3E02-04, User Manual

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3E02-08-ATX Ethernet Switch Module
Ethernet Switch Module User Guide Page 1-9
1.8.2 LEDs
The 3E05-04 contains a total of 10 green LEDs labeled RX and TX for
each segment, plus PROC and PWR for the module. The LEDs are
described in Chapter 5 of this manual.
1.8.3 Offline Button
Use the offline button before swapping the module, to take it offline until
the replacement is installed.
Figure 1-5 3E05-04 Front Panel
1.9 3E02-08-ATX ETHERNET SWITCH MODULE
The 3E02-08-ATX (Figure 1-6) provides connection for eight
independent 10BASE-T LANs to the ATX. It includes processing
circuitry for receiving and forwarding packets between the connected
10BASE-T LANs. The 3E02-08-ATX contains several LEDs to indicate
the module’s operational status.
The 3E02-08-ATX supports UTP cabling and the IEEE 802.3 10BASE-T
specification.
1.9.1 Connectors
The 3E02-08-ATX includes eight 8-pin RJ45 receptacle connectors with
built-in crossover that you can attach directly to the network using
unshielded twisted pair (UTP) cabling. The ATX power supply provides
the power for the module.
NOTE
An internal receive/transmit pair crossover is provided within
each port. This means that depending on whether crossover is
provided on the device you’re connecting to, you can use either
crossover or straight-through UTP cable to connect a device to
a port. For more cabling and crossover information, see
Appendix B.
RESET
PROC RX
TX PWR
QUAD IEEE 802.3 / ETHERNET AUI
SEGMENT 4 SEGMENT 3 SEGMENT 2 SEGMENT 1
RX
TX
RX
TX
RX
TX