KPCI-3160 User’s Manual
Troubleshooting
5-15
NOTE
Resistors in the loops are specified for safety. During the loop-back pro-
cedure, some of the interconnected bits could temporarily or inadvert-
ently be configured both as outputs, and the board could be easily
damaged. These 1K ohm resistors limit the currents between bits to
below 15mA, which is within the source and sink current specifications
for the board. If you wish to use a different resistance value, the substi-
tute resistance value must be at least 700 ohms.
2. Turn OFF the host computer.
3. Connect a CONN-3160-D1 accessory to your KPCI-3160 board. Refer to “
Using a CONN-
3160-D1 accessory
” in
Section 3
.
4. Insert the loop-back test connector, which you prepared in step 1, into the CONN-3160-D1
connector designated in
Table 5-3
. (For connector locations, see
Figure 3-3
.)
Alternatively, if you wired an STP-50 or STA-50 accessory instead of the 3M 3425-6050
connector, insert the free end of the CACC-2000 connecting cable into the STA-3160D1
connector designated in
Table 5-3
.
5. Turn ON the host computer and boot Windows 95/98/NT.
6. Click the Windows 95/98/NT Start tab.
Table 5-3
Where to insert the loop-back connector
If you are testing this group
of A, B, and C ports:
Then plug the wired 3M 3425-6050 connector or wired
STP-50/STA-50 accessory into this CONN-3160-D1 50-pin
connector:
Port group 0
J1
Port group 1
J3
Port group 2
J2
Port group 3
J4
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