Patton electronic 1015 Blue, Yellow, Green, Black, White, †Connection to ground is optional

RJ-11	SIGNAL	RJ-45	SIGNAL
1 ----------------	GND†	1 ----------------	N/C
2 ----------------	RCV-	2 ----------------	GND†
3 ----------------	XMT+	3 ----------------	RCV-
4 ----------------	XMT-	4 ----------------	XMT+
5 ----------------	RCV+	5 ----------------	XMT-
6 ----------------	GND†	6 ----------------	RCV+
		7 ----------------	GND†
		8 ----------------	N/C

When connecting two Model 1015s, it is necessary to use a “cross-over” cable. The diagram below shows how a crossover cable should be constructed for an environment where both Model 1015s use

a4-wire RJ-11 connector. Similar logic should be followed when using RJ-45 connectors or a combination of the two.

SIGNAL	PIN#	COLOR‡	COLOR	PIN#	SIGNAL
GND†	1	Blue --------------------	White	6	GND†
RCV-	2	Yellow ------------------	Red	4	XMT-
XMT+	3	Green ------------------	Black	5	RCV+
XMT-	4	Red ---------------------	Yellow	2	RCV-
RCV+	5	Black -------------------	Green	3	XMT+
GND†	6	White -------------------	Blue	1	GND†

†Connection to ground is optional

‡Standard color codes—yours may be different

4.1.2 TWISTED PAIR CONNECTION USING TERMINAL BLOCKS

If your RS-232 application requires you to connect two pairs of

bare wires to the Model 1015, you will need to open the case to access the terminal blocks. The following instructions will tell you how to open the case, connect the bare wires to the terminal blocks, and fasten the strain relief collar in place so that the wires won’t pull loose.

1.Open the unit by gently inserting a screwdriver between the DB-15 connector and the lip of the plastic case (see below). You don’t have to worry about breaking the plastic, but be careful not to bend the D-sub connector.

Once the unit has been opened, you will be able to see the termi- nal blocks located at the rear of the PC board.

2.Strip the outer insulation from the twisted pairs about one inch from the end.

3. Strip the insulation on each of the twisted pair wires about .25”.

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