RAD Data comm ASMi-31 Manuel D’Utilisation
ASMi-31
Installation and Operation Manual
Appendix A. Ethernet Interface
Installation and Operation
A-5
LAN Installation
For 10BaseT installation, either a straight cable or a cross-cable may be
required. Use a cross-cable when connecting to a port that does not
implement the crossover function internally. Otherwise, use a straight cable.
required. Use a cross-cable when connecting to a port that does not
implement the crossover function internally. Otherwise, use a straight cable.
Note
Hubs usually implement the crossover function internally while NICs and other
devices do not.
Switch Settings
Set switches according to Table A-2.
Table A-2 DIP Switches Settings
Switch
Number
Number
Name
Description
Default
Setting
Setting
1
SQ/FD
ON: Ethernet full-duplex mode
OFF: Ethernet half-duplex mode
OFF: Ethernet half-duplex mode
OFF
2
CMP
ON: Strips padding bits inserted in 64-byte frame
OFF: Transmits frames over WAN as is
OFF: Transmits frames over WAN as is
ON
3
FIL
ON: Passes only frames destined for another LAN
OFF: Disables LAN filter; passes all frames transparently
OFF: Disables LAN filter; passes all frames transparently
ON
4
(nc)
OFF
Note
The SQ/FD switch is not used in the Ethernet bridge with the BNC connector
option.
LED Indicators
Table A-3 lists the IR-ETH LED indicators and describes their functions.
Table A-3 IR-ETH Bridge LED Indicators
LED Name
Description
Location
Color
LINK
ON indicates good link integrity (available only in
the 10BaseT version)
the 10BaseT version)
Panel
Green
COLL
ON indicates collision on the attached Ethernet
segment
segment
Panel
Yellow
RX
ON when data is received from the Ethernet
attached segment
attached segment
Panel
Yellow
TX
ON when data is transmitted from the modem to
the Ethernet segment
the Ethernet segment
Panel
Yellow
ERR D4
Bridge buffer overrun
On board
Red
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