Kramer Electronics VP-885 - Manual (Page 17)

Connecting the VP-885
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6.3 Connecting to the VP-885 via RS-485
You can operate the VP-885 via the RS-485 port from a distance of up to
1200m (3900ft) using any device equipped with an RS-485 port (for example,
a PC). For successful communication, you must set the RS-485 machine
number and bus termination.
To connect a device with an RS-485 port to theVP-885:
1. Connect the controller to the VP-885 as follows:
 Connect the A (+) pin on the RS-485 port of the PC to the A (+) pin
on the RS-485 port on the rear panel of the VP-885
 Connect the B (–) pin on the RS-485 port of the PC to the B (–) pin
on the RS-485 port on the rear panel of the VP-885
 Connect the G pin on the RS-485 port of the PC to the G pin on the
RS-485 port on the rear panel of the VP-88K
2. Set the VP-885 unit to any Machine number between 2 and 16 (see
Section 6.5
3. Terminate the RS-485 line on both the VP-885 (see
).
Section 6.5
6.4 Connecting to the VP-885 via Ethernet
) and on
the controller.
You can connect to the VP-885 via Ethernet using either of the following
methods:
• Direct connection to the PC using a crossover cable (see Section 6.4.1
• Connection via a network hub, switch, or router, using a straight-through
cable as shown in
)
Figure 8 (see Section 6.4.2
Note: The following instructions are valid only if your PC uses a fixed IP
address. If your PC receives an IP address from a DHCP server, consult with
your IT department regarding setting the IP address.
)