Delta Tau 4Ax-602804-xHxx manual E40 Macro Input Fiber/Wired Selector, JP4 Reserved for Future Use

MACRO-CPU Hardware Reference

E5: MACRO Received Signal Detect/Bypass Mode (rev -105 and 106 only). Does not exist on rev 107 and later models.

Rev -105	Rev -104	Jumper	Description	Default
and Later	and Earlier	Type
Location	Location
			Jump pins 1 and 2 to access the receiver’s signal detect operation.	Pin 1-2
			Jump pins 2 and 3 to bypass the receiver’s signal detect
B-3		3-PIN	operation.
			This jumper does not exist on MACRO-CPU versions -104
			and earlier.

E40: MACRO Input (Fiber/Wired) Selector

Rev -105	Rev -104	Jumper	Description	Default
and Later	and Earlier	Type
Location	Location
			Remove jumper to select MACRO wired (RJ45) input from J14.	Jumpered
			Jump pins 1 and 2 to select MACRO fiber optic input from U73.	(Option A)
B-3	C-3	2-PIN		Not
				jumpered
				(Option C)

JP3: MACRO Loop back Test Select For Copper Only (rev -104 and earlier)

Rev -105	Rev -104	Jumper	Description	Default
and Later	and Earlier	Type
Location	Location
			Remove jumper to select loop back in the copper interface of	jumpered
			MACRO communications (for test purposes only).
	B-1	2-PIN	Jump pins 1 and 2 for normal copper MACRO communications.
			This jumper does not exist on MACRO-CPU versions -105
			and greater.

JP4: Reserved for Future Use

3U MACRO-CPU Jumper and Switch Configurations 13