Pelco cs73m-d operation manual Keyboard Wiring, Power Connections

Keyboard Wiring

Refer to Figure 8.

1.Use the supplied keyboard data cable to connect the keyboard to the RJ-45 jack on the wall block.

2.Remove the RJ-45 plug from one end of a second keyboard data cable and strip the cable jacket back 2 inches (5 cm).

3.Hold up the end of the cable that has the RJ-45 plug still attached and examine the wire colors going to each pin. (Refer to the Òcheck wire colorsÓ detail in Figure 8.) Make note of the colors going to pins 7 and 8.

4.Connect the stripped wires to the wall block as follows:

Wire from RJ-45 pin 8 to wall block terminal 1;

Wire from RJ-45 pin 7 to wall block terminal 2;

Cut the unused wires back to the cable jacket.

5.Plug the RJ-45 end of the second (modified) keyboard data cable into the COM1 port on the master distribution amplifier.

6.Plug the KBDKIT or KBDKIT-X into a suitable outlet.

POWER CONNECTIONS

NOTE: Always replace blown fuses with fuses of the same rating. Failure to do so could result in serious damage to the unit.

The MDAÕs rear panel contains a three-pronged 120 VAC receptacle. Use the supplied power cord to connect the MDA to a power source.

	CHECK WIRE COLORS DETAIL
	RJ-45 PLUG
	PIN 7
COM1	PIN 8

		HOLD WITH
		LOCKING CLIP
		ON BOTTOM
FROM PIN 7	FROM PIN 8	TO WALL BLOCK
		TERMINALS
4	5	PIN 1
		KBD200A

36

TXÐ	2	7
TX+	1	8

12 VAC

KBDKIT OR	25-FOOT KEYBOARD
KBDKIT-X
	DATA CABLE

Figure 8. CM9760-MDA Keyboard Wiring

14 Pelco Manual C573M-D (11/03)