Alcatel-Lucent 7750 SR-a4 Installation Manual page 150

1-port 100GigE CFP MDA-aXP Overview
Label Description
Lnk/Act Link and Activity
LED
150
Table 63: 1-port 100GigE CFP MDA-aXP LEDs (Continued)
LED Display
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
7750 SR-a4 and SR-a8 Installation Guide