HighPoint EJ 220 - Manual (Page 4)

4
Board Outline
Below is an illustration of the External JBOD 220 controller board. Key components are
described in the accompanying chart.
Key Component Descriptions
1 POWER(Floppy drive power connector) 8 External TEMP SENSOR connector
2‐4 FAN1‐FAN3(3‐pin FAN connector) 9 Status LED (Board PWR and HDD_FLT)
5 U7(HW Monitor Chip Onboard) 10 Beeper (audible alarm)
6 FAULT LED connectors 11 External Mini‐SAS connector (SFF‐8088)
7
Enclosure status LEDs, connector Power LED; Fail LED
(fan; temp, power, low voltage);Power TTL input
12 Internal Mini‐SAS connector (SFF‐8087)