
Appendix B IR-ETH Interface Module Installation and Operation Manual
B-4 Installation and Operation ASM-40 Ver. 1.0
Setting the DIP Switch
Set the IR-ETH DIP switch according to
Table B-2
.
Table B-2. DIP Switch Settings
Switch Number Name Description Default Setting
1 SQ/FD ON – Ethernet full-duplex mode
OFF – Ethernet half-duplex mode
OFF
Note: The SQ/FD switch is not used in the Ethernet bridge with the BNC connector option.
2 CMP ON – Strips padding bits inserted in 64-byte frame
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
ON
4 N/A OFF
Closing the ASM-40 Case
To close the ASM-40 case:
1. Position the lower half of the ASM-40 case on the flat surface.
2. Return the top cover. Make sure that the front board pushbuttons fit the
front panel opening correctly, and the top cover guides enter the
corresponding recesses at the end of the unit.
3. Secure the two screws located at the end of the unit.
4. Fit the inside tabs of the blue side panel into the unit case grooves, and slide
the side panel until it snaps into place.
LED Indicators
Table B-3
lists the IR-ETH LED indicators and describes their functions.
Table B-3. IR-ETH Bridge LED Indicators
LED Name Description Location Color
LINK ON – Good link integrity (available only in the 10BaseT version) Panel Green
COLL ON – Collision on the attached Ethernet segment Panel Yellow
RX ON – Data is received from the Ethernet attached segment Panel Yellow
TX ON – Data is transmitted from the modem to the Ethernet segment Panel Yellow
ERR D4 ON – Bridge buffer overrun occurred On board Red
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