Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 159 / 232

Appendix B: MDA-a and MDA-aXP Card Descriptions
7750 SR-a4 and SR-a8 Installation Guide 159
Table 75: 6-Port 10GigE SFP+ and 1-Port 40GigE QSFP+ Combo MDA-aXP LEDs
Label/Part Description LED Display
Pwr / Stat Power and Status
LED Green (slow blink) : The MDA-a is loading the firmware and running
diagnostics.
Green (solid) : The MDA-a has successfully completed loading the
firmware and running diagnostics, and is operationally up and
administratively up.
Amber (solid) : The MDA-a is operationally down but administratively
up.
Unlit : The MDA-a is operationally down and administratively down.
Lnk/Act Link and Activity
LED Green (solid) : Valid communications link established
Green (blink) : Port active and receiving or transmitting data
Amber (fast blink) : Loopback
Amber (slow blink) : Administratively up, but no optic module installed
Amber (solid) : Optics installed, but no link present or LOS
Unlit : Laser disabled or port shut down