Kramer Electronics VS-311H - Manual (Page 13)

10 VS-311H - Connecting the VS-311H
connect the appropriate input number (input 1, 2 or 3) pin on the REMOTE
terminal block connector to the G (Ground) pin, as Figure 4 illustrates.
When in the manual mode (DIP-switch 4 set to OFF), you can switch an input to the output
using the front panel INPUT SELECT button.
Note that unless the connection is permanent, the VS-311H will revert to an automatic
switcher when the connection is removed.
DO NOT Connect more than one PIN to the Ground PIN at the
same time.
Figure 4: Connecting the Contact Closure Remote Control PINS
4.4 Connecting to the VS-311H via RS-232
You can connect to the unit via a crossed RS-232 connection, using for example,
a PC. A crossed cable or null-modem is required as shown in method A and B
respectively. If a shielded cable is used, connect the shield to pin 5.
Method A ( Figure 5 ) —Connect the RS-232 9-pin D-sub port on the unit via a
crossed cable (only pin 2 to pin 3 , pin 3 to pin 2 , and pin 5 to pin 5 need be
connected) to the RS-232 9-pin D-sub port on the PC.
Note: There is no need to connect any other pins.
Figure 5: Crossed Cable RS-232 Connection
!
To route IN 1 to the
output, temporarily
attach PIN 1 to
PIN G (Ground) To route IN 2 to the
output, temporarily
attach PIN 2 to
PIN G (Ground) To route IN 3 to the
output, temporarily
attach PIN 3 to
PIN G (Ground)
1
2
6
3
7
4
8
5
9
1
2
6
3
7
4
8
5
9
PC