Справочник Пользователя для Pelco C2908M-B
80
C2908M-B (4/05)
CONNECTION SCENARIO 3 – USING A CM9760-KBD
Figure 46. CM9760KBD Connected to a CM9760-CC1 Controller
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, even parity, and 1 stop bit.
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 an RJ-45 straight cable from the wall block to the power pack.
4. Connect an RJ-45 straight cable from the keyboard input connector on the power pack to COM 1 on the keyboard.
5. Connect the monitor.
6. Refer to Figure 43 and Figure 46. Splice the supplied DB9 cable into the CM9760-CC1 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.
FLIPPED
CABLE
1
2
3
4
8
7
6
5
TX -
TX +
RX -
RX +
SERCOM PORT PROGRAMMED FOR KBD
CM9760-CC1
RX -
RX +
STRAIGHT
CABLE
1
2
3
4
8
7
6
5
TX -
TX +
RS232/422/485
TRANSMITTER
RECEIVER
RS232/422/485
4800, 8, EVEN, 1
Video Out
Video In
MONITOR
4800, 8, EVEN, 1
CM9760KBD
POWER
PAK
CARD CAGE
KEYBOARD