SFP GBIC Link/Act LEDs for the 1800-24 and 1800-24T-DCT
37
Installing the Metro Ethernet Services Unit 1800
SFP GBIC Link/Act LEDs for the 1800-24 and
1800-24T-DCT
Each SFP bay has two green LEDs, one to indicate the status of the link between
the Metro ESU 1800 and a remote network device, and one to indicate that there is
activity on the port (that is, packets are being forwarded over the link). These
LEDs are located to the left of each of the two SFP bays on the 1800-24T and
1800-24T-DC front panels (see
Figure 12
SFP GBIC Link/Act LEDs
Activity
Off
The port connection is idle,
no traffic flows.
Activity
On
The port connection has
active traffic flows.
Warning:
Fiber optic equipment can emit laser or infrared light that can
injure your eyes. Never look into an optical fiber or connector port.
Always assume that fiber optic cables are connected to a light source.
Table 5
LED status description
LED
Status
Description
8769EB
25
Link
Act
26
Link
Act
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