Kramer Electronics VS-808YC - Manual (Page 18)

Controlling via RS-232 and RS-485
15
7 Controlling via RS-232 and RS-485
You can cascade up to 16 VS-808YC units with control from a PC or serial
controller.
To cascade up to 16 individual
VS-808YC units, via RS-232 and RS-485, do
the following:
1. Connect the s-Video sources and acceptors, as well as the appropriate
stereo audio sources and acceptors, as section 6.1 describes.
2. Connect the RS-232 port on the first VS-808YC unit to the PC using the
Null-modem adapter provided with the machine (recommended), as
section 6.2 describes.
3. Connect the RS-485 terminal block port on the first VS-808YC unit to the
RS-485 port on the second VS-808YC unit and so on, connecting all the
RS-485 ports.
4. Set the DIP-switches, as section 6.5 describes. In particular:
Set the first VS-808YC unit as MACHINE # 1 and the following 15
VS-808YC units as MACHINE # 2 to MACHINE # 16, according to
Table 5.
Set DIP 8 ON on the first and last VS-808YC units (terminating the
RS-485 line at 120 ). Set DIP 8 OFF on the other VS-808YC units
Set DIP 5, DIP 6 and DIP 7 OFF on all VS-808YC units