Справочник Пользователя для Pelco C2908M-B

C2908M-B (4/05)

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2. On the receiver side, connect TX

− on the DB9 cable to terminal 7 on the wall block. Connect TX+ on the DB9 cable to terminal 8 on the wall 

block. 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. Connect the wall block to the KBD4000 with an RJ-45 straight cable. (Note that DIP switches 4 and 8 on the KBD4000 must be set ON.)

5. Connect the monitor.

6. Refer to Figure 43 and Figure 45. Splice the supplied DB9 cable into the multiplexer wall block. Connect TX

− from the NET300 transmitter 

to terminal 2 on the wall block, TX+ to terminal 1, RX

− to terminal 7, and RX+ to terminal 8.

7. Plug the DB9 cable into the RS232/422485 port on the transmitter. (In the Interface Mode field, select RS-422-485.) The data format must 

be 9600, 8, odd, 1.

8. Connect the wall block to COM IN on the multiplexer with RJ-45 straight cable.

9. Connect MAIN video output from the multiplexer to the transmitter.