
1-4
PA-2FEISL 100BASE-T Fast Ethernet/ISL Port Adapter Installation and Configuration
OL-3475-02
Chapter 1 Overview
LEDs
Figure 1-3
Maximum Segment and Network Lengths—100BASE--FX and 100BASE--TX
LEDs
The
PA-2FEISL has an ENABLED LED, which is standard on all port adapters, and a LINK LED for
each of the ports. (See
Figure 1-4
LEDs on the PA-2FEISL—Horizontal Orientation
After system initialization, the ENABLED LED goes on to indicate that the port adapter has been
enabled for operation.
The following conditions must be met before the
PA-2FEISL is enabled:
•
The PA-2FEISL is correctly connected and is receiving power.
Maximum segment length, full duplex
100 m TX
DTE
DTE*
*DTE = Data Terminal Equipment
**Because repeaters have more delay, total network length is shorter.
2000 m FX–multimode
Maximum segment length, half duplex
100 m TX
DTE
DTE
412 m FX
Maximum segment length, full duplex
10,000 m FX–single mode
DTE
DTE
Maximum network length, half duplex
200 m TX
DTE
DTE
R
(Repeater)
272 m FX**
31703
10983
ENABLED
LINK
0
1
LINK