H3C Technologies H3C SR6600-X - Manual (Page 26)

18
(5) SFP port loopback/alarm LED (LP/AL)
Figure 15 Front panel of HIM-AL2P
(1) Captive screw (2) Ejector lever
(3) SFP port (4) SFP port carrier signal LED (LINK/ACT)
(5) SFP port loopback/alarm LED (LP/AL)
LEDs
Table 17 LED description
LED Status Description
LINK/ACT
(Green)
Off No link is present.
On A 155.52 Mbps link is present.
Flashing The SFP port is receiving or sending data at 155.52 Mbps.
LP/AL
(Yellow)
Off No loopback or alarm exists.
On The port is in loopback state.
Flashing There is a minimum of one alarm.
Interface specifications
Table 18 Interface specifications
Item Specification
Connector type SFP/LC
Number of interfaces
• HIM-AL1P: 1
• HIM-AL2P: 2
Interface standards SONET OC-3C/SDH STM-1
Interface speed 155.52 Mbps
Optical
transit
power
Type Short distance Medium distance Long distance
Ultra-long
distance
Min. –19.0 dBm –15.0 dBm –5.0 dBm –5.0 dBm
Max. –14.0 dBm –8.0 dBm 0 dBm 0 dBm