Black Box Black BoxLB1350A/LB1351A, Check the interconnection between the, device, full duplex

Black Box®LB1350A/LB1351A

Problem	Indication	Corrective Action
		Check the interconnection between the
		Black Box®LB1350A LB1351A and the
		device.
Black Box®LB1350A or	FDX LED not lit	Verify that connected device is FDX
LB1351A not recognizing		capable and set to FDX properly. If HDX
full duplex		then the indication is correct and you have
		to setup the S7 Dip switch accordingly
		Check the interconnection between the
		Black Box®LB1350A/LB1351A and the
		device.
Fiber link not working	Link LED	Check that the receive fiber is properly
	(100BaseFX)	connected to the transmit port of the
	not lit	remote fiber device AND the transmit port
		to the receive port of the remote device.
	Remote device	Change to TEST mode (S8 UP) and verify
	reports LINK	with remote operator to establish whether
	DOWN	incoming or outgoing paths failed
		Check that the fiber optic power is higher
		than -30 dBm on the receive fiber
		connector at the Black Box®LB1350A
		/LB1351A end.
		Check that remote device’s receive port is
		properly connected to the transmit fiber
		optic port of the Black Box®LB1350A
		/LB1351A
		Verify FDX mode of the F/O port (S7 Down)
		; reset device by S9
No Link-Up after failure	F/O LED OFF	Disable FEF: Dip switch # 8 in Up position
		(section 12 page 14)
Improper network traffic	Runt and late	Reset the device using S9
	collision
		Check configuration (section 12 ) on the
		“mode setup switches”.
		Check that both ends of F/O link are set to
		same mode (Half Duplex OR Full Duplex).
		Check that both sides of UTP connection
		are in same mode (10Mbps Half duplex OR
		10Mbps full duplex OR 100Mbps Half
		duplex OR 100Mbps full duplex).

If the problem persists after carrying out the above procedure, do the following: replace the installed Black Box®LB1350A LB1351A,with another similar device and re-perform the requested setup. If that has solved the problem, send the faulty Black Box®LB1350A/LB1351A for repair. If the problem still persists, there is probably some sort of general network failure. Call Black Box Technical Support (Call 724- 746-5500 ).

17