Black Box RS-232/422/485, RS422/485 manual Switch

CHAPTER 4: Configuration

Figure 4-5. Switches SW2 and SW4.

NOTE

Switch positions SW4-1, 2, 3, 4, and 5 are for Port 1. Switch positions SW4-6, 7, 8, 9, and 10 are for Port 2. Switch positions SW2-1, 2, 3, 4, and 5 are for Port 3. Switch positions SW2-6, 7, 8, 9, and 10 are for Port 4.

Table 4-7. DIP-switches SW2 and SW4 settings.

Switch	Switch			Port		Description		RS-485	RS-422
Setting	Number
L	SW2-1	3			TX+	to RX+	ON	OFF
L	SW2-2	3			TX-	to RX-	ON	OFF
T	SW2-3	3			Termination		ON	ON
PD	SW2-4	3		1K Pull-Down			ON	OFF
PU	SW2-5	3		1K Pull-Up			ON	OFF
L	SW2-6	4			TX+ to RX+		ON	OFF
L	SW2-7		4		TX- to RX-		ON	OFF
T	SW2-8	4			Termination		ON	ON
PD	SW2-9	4		1K Pull-Down			ON	OFF
PU	SW2-10	4		1K Pull-Up			ON	OFF
L	SW4-1	1			TX+ to RX+		ON	OFF
L	SW4-2	1			TX- to RX-		ON	OFF
T	SW4-3	1			Termination		ON	ON
PD	SW4-4	1		1K Pull-Down			ON	OFF
PU	SW4-5	1		1K Pull-Up			ON	OFF
L	SW4-6	2			TX+ to RX+		ON	OFF
L	SW4-7		2		TX- to RX-		ON	OFF
T	SW4-8	2			Termination		ON	ON

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