Kramer Electronics VP-774 - Manual (Page 62)

VP-774 - Port Tunneling 57
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9 Port Tunneling
The port tunneling feature lets you send and receive simple RS-232 signals
between a controller and a serial device via the VP-774 which is connected to the
Ethernet and outputs via TP cable.
The example, illustrated in Figure 37 , shows a Kramer room controller that is
connected to the VP-774 via the Ethernet. The HDBT OUT connector on the VP-774
is connected via TP to an HDBT receiver. This HDBT receiver connects to a display
via HDMI and RS-232.
Figure 37: Port Tunneling
The room controller sends RS-232 signals over the Ethernet via a dedicated
Tunneling port to the VP-774. The VP-774 sends these signals via TP to a display
that is connected to the receiver. This way, control data can flow between the room
controller and the display device, tunneling through the VP-774.