User guide

Name/Model Part/Version Chip
21xxx
10 MB
Media
100 MB
Media
Notes
Znyx ZX346 QUAD SA0026 X1 140AC T X A
Znyx ZX348 DUAL SA0028 X2 140AC T X B
10 MB Media Codes:
T—Twisted Pair (10BASE-T)
B—BNC (10BASE2)
A—AUI (10BASE5)
100 MB Media Codes:
X—100BASE-TX (Category 5 Unshielded Twisted Pair)
4—100BASE-T4
Notes:
1—BNC/AUI jumper on board must be set to select between those two media.
2—First port is the bottom one (closest to board edge connector).
3—STP (Shielded Twisted Pair) medium is not supported.
4—Board has separate jacks for 10 Mbytes and 100 Mbytes.
5—The DEC chip on this card is a prototype 21041 chip, labeled “proto.”
6—Only tested on 10BASE-T network.
7—Only works on 100TX network.
A—ICS 1890Y PHY chip.
B—National Semiconductor DP83840 PHY chip.
C—National Semiconductor DP83223V PHY chip.
D—National Semiconductor DP83840VCE PHY chip.
Known Problems and Limitations
The adapters and configurations listed above are supported by the dnet driver,
and additional boards will be supported in the future.
On multiport cards, the first port is the top port, except on the Rockwell (Osicom)
RNS2340, the first port is the bottom port.
If the dnet driver fails to determine the correct speed and duplex mode, and
performance drops, set the speed and duplex mode using the dnet.conf file. See
the discussion of duplex settings in “Ethernet Device Configuration” on page 8.
Device Reference Pages 73