57
Front panel
Figure 52 Front panel
(1) Captive screw
(2) SFP ports
(3) SFP port LED (ACT/ALM)
LEDs
Table 82 LED description
LED
Status
Description
SFP port LED
(ACT/ALM)
Flashing green
The interface is up and is sending or receiving data
correctly.
Steady green
The interface is up and is not sending or receiving data.
Steady red
A transceiver module has been installed in the port, but the
port is down.
Off
No transceiver module has been installed in the port.
Interface specifications
Table 83 Interface specifications
Item
Specification
Connector type
SFP/LC
Number of interfaces
4
Interface standards
SONET OC-3c/SDH STM-1
SONET OC-12c/SDH STM-4
Interface speed
155.52 Mbps
622.08 Mbps
For the transceiver modules available for a MIC-X-SP4 interface module, see
Interface cables
For the appearance and connection methods of the interface cables, see "
."
MIC-X-SP8
A MIC-X-SP8 interface module provides eight OC-3c/STM-1c POS interfaces.
2
3
1