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MRV Communications EM316-2SFP Manuale Utente

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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