Enterasys Networks BL-89620ENT 1 Troubleshooting Checklist continued, Problem, Recommended Action

Table 3-1 Troubleshooting Checklist (continued)

Problem	Recommended Action
The Mid-Span Power Hub operates but one	Verify that you are using a standard UTP Cat. 5
of the powered devices does not work.	cable, including all eight wires (four pairs.) Try to
	move the same load into a different port on the same
	hub. If it works, there is probably a faulty port or bad
	RJ45 port connection. If possible, try to connect the
	load device into a different hub.
	Try using a different Ethernet cable. If it works, there
	is probably a faulty connection over the long cable,
	or a bad RJ45 connection.
	Product Consideration:
	BL-89500ENT, BL-89400ENT, BL-89700ENT Series
	If the “fuse blown” light is on or flashing, replace fuse
	F2 with a 0.5 A rated fuse.
	BL-89600ENT Series
	If the “fuse blown” light is on or flashing, replace fuse
	F4 with a 0.5 A rated fuse.
The Mid-Span Power Hub operates and the	Verify that the indicator for the port is “on.” Verify
load device works, but there is no data link.	that the Mid-Span Power Hub is connected to the
	Ethernet network with a good connection.
	Verify that the Ethernet cable is Category 5 or
	greater, and is less than 100 meters in length from
	the Ethernet source to the load.
	Try to connect a different device over the same port.
	If it works and a link is established, there is probably
	a faulty data link in the load.
	Try to reconnect the load into a different output port
	(remember to move the input port accordingly). If it
	works, there is probably a faulty output or input port
	in the Mid-Span Power Hub or a bad RJ45
	connection.
The Mid-Span Power Hub operates but one	Move the load into a different output port. If the
of the ports is powering a load without	indicator turns “on,” there is a fault in the previous
turning the “Power" indicator on.	output port.

3-2 Troubleshooting