Cisco Systems PA-4T Manuel d'utilisateur télécharger pdf (Page 18)

LEDs

PA-4T+ Synchronous Serial Port Adapter Installation and Configuration1-16

If any of the above conditions are not met, or if the initialization fails for other reasons, the enabled

LED will not go on. Table 1-8 lists port LED status indications.

Table 1-8 PA-4T+ Port LEDs

LED Label Color State Function

EN Green On Indicates ports are ready.

TD Green On DTE—Transmit data out.

DCE—Transmit data in.

TC Green On DTE—Transmit clock in.

DCE—Transmit clock in (TXCE).

RD Green On DTE—Receive data in.

DCE—Receive data out.

RC Green On DTE—Receive clock in.

DCE—Receive clock out.

LB/CD Green On Indicates DTR, DSR, RTS, CTS, or DCD is active.

Green Flashing Indicates RTS, CTS, or DCD is sending and receiving

data in half-duplex mode.

Yellow On Indicates local loop or internal loop active.

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Cisco Systems PA-4T Manuel d'utilisateur Page 18