Twinax Card 1
Defective
Defective
Twinax Card 2
Defective
Defective
LED is ON
LED is OFF
LED is OFF
LED is ON
LED is OFF
LED is OFF
LED is ON
LED is ON
LED is ON
LED is ON
8494 MPIC and Front Panel LED Information
Top Row |
Description |
POWER |
When on, indicates that +5VDC is present |
TEST |
When on, indicates the TEST switch is set to ON for configuration. |
READY |
When on, indicates the power-on sequence has been successfully completed and the remote controller is ready for operation. When flashing, indicates an error condition. Check LED's on the MPIC card and Twinax Cards. |
COM Line |
When flashing, indicates valid data bytes are being received from the communications line. |
WS ACTIVE |
When on, indicates one or more attached workstations are responding to polls. |
DISK ERROR |
When on, indicates one of the following error conditions:
|
Bottom Row |
Description |
TXD |
(Transmitted Data) When flashing indicates data is being transmitted from the remote controller to the modem. |
RXD |
(Received Data) When flashing, indicates data is being received by the remote controller from the modem. This LED will appear steady (solid) at high transmission speeds. |
RTS |
(Request to Send) Asserted by the remote controller to indicate it has data to send. |
CTS |
(RFS, Clear to Send) Asserted by the modem in response to the RTS signal. This signal allows the remote controller to transmit. |
DSR |
(Data Set Ready) Asserted by the modem when it is powered on and ready to function. Note: This LED should be on continuosly during normal operation. |
DTR |
(Data Terminal Ready) Indicates to the modem that the remote controller is ready to operate. Note: This LED should be on continously during normal operation. |
CD |
(DCD, Carrier Detected) Asserted by the modem when the remote host has control of the line and is transmitting (some systems assert carrier continuously). |
TXC |
(TEST, Transmitted Signal Element Timing) When on, indicates the transmit clock supplied by the modem is present. For local attachment, the remote controller has a built-in modem eliminator which supplies the appropriate signals and clocks. Note: This LED should be ON continuously during normal operation. |
RXC |
(RSET, Received Signal Element Timing) When on, indicates the receive clock supplied by the modem is present (this clock may be present only during the receipt of data). For local attachment, the remote controller has a built-in modem eliminator which supplies the appropriate signals and clocks. |
8494 MPIC LED Information
Twinax Card 1 Defective |
Twinax Card 2 Defective |
|||
|
LED is ON |
|
LED is OFF |
|
|
LED is OFF |
|
LED is ON |
|
|
LED is OFF |
|
LED is OFF |
|
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON
| |
Twinax Card 3 Defective |
Twinax Card 4 Defective |
|||
|
LED is ON |
|
LED is OFF |
|
|
LED is ON |
|
LED is OFF |
|
|
LED is OFF |
|
LED is ON |
|
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON
| |
Twinax Card 5 Defective |
Twinax Card 6 Defective |
|||
|
LED is ON |
|
LED is OFF |
|
|
LED is OFF |
|
LED is ON |
|
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON
| |
MPIC Card Defective |
Insufficient Memory |
|||
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON |
|
|
LED is ON |
|
LED is ON |
|
|
LED is OFF |
|
LED is ON |
|
|
LED is OFF |
|
LED is ON
| |