Kramer Electronics user manual To connect up to four VP-81SIDN devices

Figure 6: RS-485 Control of Multiple VP-81SIDN Devices via RS-232 and RS-485

To connect up to four VP-81SIDN devices:

1.Connect the RS-232 port on the first VP-81SIDNdevice to the PC (see Section 6.3).

2.Connect the RS-485 terminal block port on the first device to the RS-485 port on the second device, and so on for all devices. (Connect A to A, B to B, and G to G.)

3.Connect the HDMI LOCAL INPUT on the first device to the HDMI OUT on the second device, and so on for all devices.

4.Set the machine number and termination as follows:

The first device is machine number 1 and the subsequent three devices are machine numbers 2 to 4 (see Section 8.1)

Terminate the first and last devices, that is, terminate machine numbers 1 and 4 (see Section 8.3). Ensure that all other devices are left unterminated

VP-81SIDN - Connecting the VP-81SIDN 8x1 Digital Step-In Switcher 15