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Table 11 describes the 450-2M3 MDA and 450-2S3 MDA
front-panel components.
Table 11. 450-2M3 and 450-2S3 MDA Description
Item Label Description
1 Rx Receive Status:
On steady (green): Valid
communications link; no activity.
On steady (yellow): No valid
communications link.
Off: The MDA is broken (or not fully
seated in the slot).
Blinking (green): Valid
communications link; receive activity.
2 Tx Transmit Status:
On steady (green): Valid
communications link; no activity.
On steady (yellow): No valid
communications link.
Off: The MDA is broken (or not fully
seated in the slot).
Blinking (green): Valid
communications link; Transmit activity.
3 SC port connectors.