Pelco Kbd300 3.1WALL JACK WIRING, Wall Jack Wiring Schematic, Pelco Manual C527M 11/97

IMPORTANT: Wall jacks must be wired in a daisy-chain configura- tion.

3.1WALL JACK WIRING

1.Determine the location of all keyboards.

2.Run wall jack interconnect cable (user supplied) from the SCU to the closest keyboard location. Then to the next nearest location, and the next, etc.

Wall jacks must be within 6 feet (1.8 m) of the nearest suitable electrical outlet. Do not mount the wall jack at this time.

3.Make cable connections between wall jacks according to Figure 2. All connec- tions between keyboard wall jacks are one-to-one. Notice that Pin 5 is con- nected to Pin 4 between SCU wall jack and the first keyboard wall jack.

4.At each keyboard wall jack, wire a transformer to pins 5 and 6. Polarity is unimportant.

5.Secure the wall jack to a suitable surface.

6.Plug keyboard transformers into a suitable 115 VAC outlet.

7.Plug in all Data Cables according to Figure 3.

						USER
						SUPPLIED
						CABLE
				SCU WALL			FIRST KBD		SECOND KBD		THIRD KBD
					JACK		WALL JACK		WALL JACK*		WALL JACK*
WALL JACK					PIN			PIN		PIN		PIN
					1			1		1		1
PIN ASSIGNMENTS
4	5				2			2		2		2
					3			3		3		3
3	6				4			4		4		4
2			7		5			5		5		5
1					6			6		6		6
		8			7			7		7		7
					8			8		8		8

12 VAC	12 VAC	12 VAC
WALL	WALL	WALL
TRANSFORMER	TRANSFORMER	TRANSFORMER

* AS NEEDED

Figure 2. Wall Jack Wiring Schematic

Pelco Manual C527M (11/97) 5