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Core I/O Connections and Indicators
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Core I/O Connections and Indicators
The following paragraphs describe the operator indicators and Core I/O connections at the rear of the rp7400.
1. (Green) Core I/O board Power LED - When lit indicates that the Core I/O board has DC power available.
2. (Green) Guardian Service Processor Power LED - When lit indicates that the Guardian Service Processor
has DC power available.
3. (Red) Failed Self-Test LED - When lit, indicates that one or more power-up self tests has failed.
4. (Amber) 10BASE-T Console LAN Collision LED - When lit, indicates that a data packet collision has
occurred on the 10BASE-T LAN Console LAN.
5. (Green) 10BASE-T Console LAN Link OK LED - When lit, indicates that the 10BASE-T Console LAN
Link status is OK.
6. (Green) 10BASE-T Console LAN Receive LED - When lit, indicates that a data packet has been received
over the 10BASE-T Console LAN.
7. (Green) 10BASE-T Console LAN Transmit LED - When lit, indicates that a data packet has been
transmitted over the 10BASE-T Console LAN.
8. (Green) 10BASE-T/100BASE-T Mode LED - When lit, indicates that the LAN is in 100 Mbps Mode.
When unlit, indicates that the LAN is in 10 Mbps Mode.
9. (Amber) 10BASE-T/100 BASE-T LAN Collision LED - When lit, indicates that a data packet collision has
occurred on the 10BASE-T/100BASE-T LAN.
10. (Green) 10BASE-T/100BASE-T LAN Link OK LED - When lit, indicates that the 10BASE-T/100BASE-T
LAN Link status is OK.
11. (Green) 10BASE-T/100 BASE-T LAN Receive LED - When lit, indicates that a data packet has been
received over the 10BASE-T/100BASE-T LAN.
12. (Green) 10BASE-T/100 BASE-T LAN Transmit LED - When lit, indicates that a data packet has been
transmitted over the 10BASE-T/100BASE-T LAN.
13. (Green) Differential Sense (Diffsens) LED - When Lit, indicates that the external SCSI bus is in Low
Voltage Differential mode. When Unlit indicates the external SCSI bus is in Single-Ended mode.
14. (Green) Terminator Power (Termpower) LED - When Lit, indicates that SCSI terminator power is being
supplied by the rp7400. When unlit, indicates that SCSI terminator power is being supplied by the
external SCSI device.