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 ).

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Black Box LB1351A, LB1350A manual Down