
Installation and Operation Manual Appendix C IR-ETH/QN (IR-ETH/Q) Interface Module
ASM-40 Ver. 1.0 Installation and Operation C-5
Table C-3. DIP Switch SW2 Settings
Section Name Description Possible Settings Factory Setting
1 100 Selects the LAN speed ON – LAN speed is set to 10 Mbps
OFF – LAN speed is set to 100 Mbps
OFF
2 AN Controls the LAN
autonegotiation
ON – LAN autonegotiation is disabled
OFF – LAN autonegotiation is enabled
OFF
3 FDX Selects the LAN mode ON – LAN half duplex mode
OFF – LAN full duplex mode
OFF
4 BPR Controls the backpressure
ON – Backpressure is enabled
OFF – Backpressure is disabled
ON
5 MUL Controls LAN to WAN
multicasting
ON – Multicast messages from LAN to
WAN are not blocked
OFF – Multicast messages from LAN to
WAN are blocked
ON
6 NC – – ON
•
Section 6 of the SW2 DIP switch is factory-set and must not be moved by the
user.
•
When autonegotiation is enabled, LAN speed and LAN mode are configured
automatically (sections 1 and 3 are disabled).
After completing the internal settings, reinstall the top cover.
To reinstall the ASM-40 top cover:
1. Position the lower half of the ASM-40 case on a flat surface.
2. Return the top cover. Make sure that 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 C-4
lists the IR-ETH/QN rear-panel LED indicators and describes their
functions.
Table C-4. LED Indicators
LED Name Color Description Location
LINK Green ON – LAN is connected to the IR-ETH/QN module Connector
ACT Yellow ON – LAN is receiving/transmitting data Connector
100M Green ON – LAN is operating at 100 Mbps
OFF – LAN is operating at 10 Mbps
Panel
Note
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