1 edid numbering examples, 2 serial data on dgkat plus rs-232 cards, 3 connecting to the vs-3232dn via rs-232 – Kramer Electronics VS-3232DN User Manual
Page 18: Serial data on dgkat plus rs-232 cards, Connecting to the vs-3232dn via rs-232, Figure 6: dgkat card serial data transmission

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VS-3232DN - Connecting the VS-3232DN
6.1.1
EDID Numbering Examples
The table below is based on the port numbering shown in
EDID configuration requests and the results.
EDID Request
EDID Sent
From OUT 11
Blank (256 bytes of 0xFF)
From IN 13
None (error message displayed)
6.2
Serial Data on DGKat Plus RS-232 Cards
Serial data present on the RS-232 port of a DGKat input card is not transmitted via
the switcher. This data is transmitted over the TP cable of the same input card
(see
Serial data present on the RS-232 port of a DGKat output card are not transmitted
via the switcher. This data are transmitted over the TP cable of the same output
card.
Figure 6: DGKat Card Serial Data Transmission
6.3
Connecting to the VS-3232DN via RS-232
You can connect to the VS-3232DN via an RS-232 connection using, for example,
a PC. Note that a null-modem adapter/connection is not required.
Note that some early devices require a null modem.