2 front panel description, 1 led display information, Figure 3 -- led legend – MRV Communications EM316-2SFP User Manual
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EM316-2SFP User Guide
P/N 1259003-001 Rev C3
4
3.2 Front Panel Description
Figure 2 -- Front Panel Schematic of the EM316-2SFP
The EM316-2SFP module is equipped with the following interfaces:
Port 1 (P1):
SFP port rated 100 Mbps to 2.7 Gigabit depending on SFP interface
Port 2 (P2):
SFP port rated 100 Mbps to 2.7 Gigabit depending on SFP interface
Cable Lengths
The maximum cable length for SFP links is dependent upon the optical characteristic of the SFP
transceivers only. The EM316-2SFP module does not affect cable length. In the case of a copper
SFP, the maximum cable length is 100 meters.
3.2.1 LED Display Information
PWR/NMS:
Indicates power and management support
SP (each port):
Indicates presence of an SFP with or without
a link signal present.
DD (each port):
Digital Diagnostic indicator for the SFP
inserted.
LED
Color
Explanation
PWR/NMS
Off
No power to unit
Green
Power OK; user wire port active
SP
Off
No SFP Present
Green Signal/Link
present
Amber
SFP inserted, no link/signal present
DD
Off
Digital Diagnostics not supported
Green No
alarm
Amber Alarm
Figure 3 -- LED Legend