RocketPort® 485 Hardware Installation Card
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Supplying Power to External Devices
The power connector on the RocketPort 485 card is a
standard hard drive-type power connector. You can use
this connector to provide voltage to peripheral devices on
Ports 3 through 8.
To use the power option, connect the jumpers before
installing the card. See the
discussion for configuring this feature.
Note: Ports 3 through 8 are also equipped with fuses. If an
external device draws more than 0.5 amp, the fuse
for that port automatically breaks the circuit. When
the fuse cools, (approximately 10 seconds) it resets. If
the fault or short in the external device is not
corrected, the fuse will continue to break and reset
until the problem is corrected.
The pinout for this connector is shown below:
Note: Power can be supplied only through DB9 or DB25
connectors. It cannot be supplied through RJ45
connectors.
Installing the RocketPort Hardware
Hardware installation consists of:
•
Configuring I/O addresses
•
Configuring RS-485 mode usage on Ports 1 and 2
•
Installing the card in the system.
•
Running the diagnostics
•
Connecting the peripherals
Note: After the hardware installation, you must install the
device driver.
Use the following procedure to install the card.
1.
If required, change the DIP switches (default is 180
hexadecimal) on the card to the desired settings. See
the
discussion towards the
end of this Hardware Installation Card.
Note: If installing PCI and ISA RocketPort cards, install
the PCI cards and driver before installing and
configuring the ISA cards. See the RocketPort
Software Installation and Configuration Guide or
driver
readme
file for information.
2.
To use RS-485 on Ports 1 and 2, move all six pins on
the port you want to use RS-485 to the left and center
position. (When all six pins are in the center and right
positions, the port is configured for RS-232.)
Note: In addition, you must configure the ports for RS-485
operation during the driver installation. For more
information, see the Software Installation and
Configuration Guide or the
readme
file with the
driver.
3.
To use the Power feature for Ports 3 through 8, connect
the jumper for each port.
When using this card with interfaces other than
the DB9 box, do not use the Power feature. Using
this feature with Quad/Octacable interfaces
may produce unacceptable voltage loss under
load.
4.
Turn your computer off.
5.
Remove the system cover.
6.
Select an ISA or EISA expansion slot.
Note: RocketPort 485 can be installed in an ISA or EISA
slot. In EISA configurations, you may need to
update the EISA configuration files. EISACFG files
are located on the Diagnostic diskette.
7.
Remove the slot cover.
8.
Write down the model number and serial number of
the card. You can enter this in the
table of this Installation Card.
9.
Insert the card in the slot, seating securely.
10. If using the Power feature, connect a hard drive-type
power supply cord in your computer to the power
connector on the card.
When enabling the Power feature, Pin 9 (DB9) or
Pin 22 (DB25) c5 V (±2%) at 0.5 amp.
11. Reinstall the expansion slot retaining screw.
Note: You may want to leave the system unit cover off until
the driver is installed and running, in case you need
to experiment with DIP switch settings.
NC
GND
+5V
1 2 3 4