Installing IOMs and MDAs
7450 ESS-7 Page 107
MDA LEDs
Each MDA has a Power and Status LED. For a description of the LEDs for each MDA model,
refer to the specific MDA documentation.
Figure 35 displays an example of an MDA front panel. Table 34 describes common MDA LEDs.
Figure 35: MDA Front Panel Example
Table 34: ESS M10-1GB-SFP MDA Features
Key Label Description
1 Status • Green (blinking): Initializing.
• Green: Operational up, administratively up.
• Amber: Operationally down, administratively up.
• Off: Administratively down, shut down.
2Power • Blue: On
• Off: No power
3Ports
4Captive screws
5 Lnk • Green: 1000 Mb/s
• Amber (blinking): SFP not present.
• Amber: SFP/optics installed but no link present.
• Unlit: Disabled, shut down.
Act • Green (blinking): RX/TX: Port is active, transmitting and receiving
data.
• Amber (fast blinking): Indicates an error condition.
• Unlit: Disabled, shut down.
6 MDA model number.