HCD-E1 Installation & Operation Manual Appendix C - IR-ETH Interface Module
31/12/2000 17:57 Installation and Operation C-5
Table C-2 DIP Switch Settings
Section Number Name Description Default
Setting
1 SQ/FD Controls Ethernet mode: full-duplex or half-duplex. Permanently
OFF
2 CMP ON: Strips padding bits inserted in 64-byte frame
OFF: Transmits frames over WAN as is OFF
3 FIL ON: Passes only frames destined for another LAN
OFF: Disables LAN filter; passes all frames transparently OFF
4
(nc)
Note
Set the DIP switch, section 3 to ON if you want to filter the traffic sent to the
remote end (recommended).
If you want to disable the LAN filter, remove resistor R 45 from the Ethernet
bridge and set section 3 to OFF.
To control Ethernet mode (full-duplex or half-duplex), use DEF CH command
on the terminal or CHANNEL PRM menu on the LCD.
LED Indicators
Table C-3 lists the IR-ETH LED indicators and describes their functions.
Table C-3 IR-ETH Bridge LED Indicators
LED
Name
Description Location Color
LINK ON indicates good link integrity (available only
in the 10BaseT version)
Rear panel Green
COLL ON indicates collision on the attached Ethernet
segment
Rear panel Yellow
RX ON when data is received from the Ethernet
attached segment
Front and rear
panels
Yellow
TX ON when data is transmitted from the modem
to the Ethernet segment
Front and rear
panels
Yellow
ERR D4 Bridge buffer overrun On the
IR-ETH board
Red
