User's Manual

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the VP-727T
12
7.2 Connecting a PC (via RS-232)
You can connect a PC (or other controller) to the VP-727T via the RS-232
port for upgrading the firmware.
To connect a PC to a VP-727T unit, using the Null-modem adapter provided
with the machine (recommended):
 Connect the RS-232 DB9 rear panel port on the VP-727T unit to the
Null-modem adapter and connect the Null-modem adapter with a 9 wire flat
cable to the RS-232 DB9 port on your PC
To connect a PC to a VP-727T unit, without using a Null-modem adapter:
 Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel
port on the VP-727T unit, forming a cross-connection
1
, as Figure 9 illustrates
D
B
9
(
To Presentation
Switcher
/
Scaler
)

DB9 (From PC)
Figure 9: Connecting the PC
7.3 Setting the Machine #
The VP-727T automatically recognizes the MACHINE # of each VP-727 unit.
For example, the VP-727 unit that is connected to the “ TO VP-727” RS 485
port MACH. # 3 is recognized as the third VP-727 unit: MACHINE # 3.
To access this particular VP-727 unit from the VP-727T, press the MACHINE #
button
2
until the number 3 is selected in the 7-segment LED display
3
.
1 Also known as a Null-modem connection
2 Item 32 in Figure 1 and Table 1
3 Item 33 in Figure 1 and Table 1