User manual
Hardware Basic Operation and Installation
Rev 1.2
Mellanox Technologies
18
4.1.1.5 UID LED Switch Identifier
The UID LED is a debug feature that will become available to customers in the near future. For
details please contact Mellanox Technologies support.
4.1.1.6 Port Connector LED
Above the ports are two LEDs one for the upper port and one for the lower port . The fol-
lowing table shows the port status according to the LED indication.
Table 6 - Connector Physical and Logical Link Indications
This LED when flashing orange shows port physical errors. Possible causes for this are:
•bad cable
• bad connection
• bad connector
•bad cage
4.2 Air Flow
These switches can come with two air flow patterns. The two patterns are
• Rear side inlet to connector side outlet
• Connector side inlet to rear side outlet
The air flow is specified in the product model number. See “Mellanox Part Numbering Legend” on
page 9.
4.3 QSFP Cable Power Budget Classification
All IS5024 QSFP switches are designed for active cables with a max power per module of 2.0W.
This is power level 2 according to the QSFP Public Specification.
LED Description
Off No link
Orange Physical Link up
Solid Green Logical Link up
Flashing Green Data activity
flashing speed ≈ data transfer speed
Flashing Orange A problem with the Physical Link