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C2908M-B (4/05) 77
CONNECTING PELCONET TO VARIOUS COMPONENTS WITH ASSORTED KEYBOARDS
CONNECTION SCENARIO 1 – USING A KBD300A IN DIRECT MODE
Refer to Figure 44 and the instructions that follow.
Figure 44. KBD300A (Direct Mode) Connected to a Receiver or Spectra Dome System
1. Connect a DB9 cable to the RS232/422/485 port on the NET300 receiver. (In the Interface Mode field on the configuration page for the
interface settings, select RS-422/485.) The data format should be 4800 baud, 8 data bits, no parity, and 1 stop bit.
2. Connect RX− on the DB9 cable to terminal 2 on the wall block. Connect RX+ on the DB9 cable to terminal 1 on the wall block.
3. Connect a 12 VAC power supply to terminals 3 and 4 on the wall block.
4. Set DIP switch 6 on the KBD300A to ON to enable turbo pan operation or OFF to disable that feature. The KBD300A will recognize Direct
Mode automatically.
5. Connect the wall block to the KBD300A with an RJ-45 straight cable.
RS232/422/485
RS232/422/485
TX-
TX+
P PROTOCOL ONLY
RECEIVER OR
SPECTRA
RX+ RX-
TRANSMITTER
RX(-)
RX(+)
12 VAC
KBD300A
STRAIGHT
CABLE
DIRECT
MODE
RECEIVER
1
2
3
4
8
7
6
5
4800, 8, NONE, 1
Video In
4800, 8, NONE, 1
MONITOR
Video Out