Chenbro SR209 Series 3Gb/s 6-port mini-SAS Backplane(80H102209-014), for 6-Bay 2.5 Hot-swap HDD Cage - Manual - Manual (Page 4)

Chenbro SR209/105/107/108
6 Ports 2.5” Mini-SAS Backplane User’s Manual
http://www.chenbro.com
4
General Hardware Specification
Host Interface Mini SAS (SFF-8087) interfaces(single path)
HDD Interface
HDD connector (power+drive : 7+7+15 pins) for SAS
(Serial Attached SCSI) drive , also compatible to SATA II
drive (7+15 pins)
Hot-Swap
Functionality
Support inrush current control and pre-charge for drive
hot-swapping (allow on line replace Hard Disk Drive)
LED Display
On Board LED indicates Hard Disk Drive status:
Power LED – Blue color (When HDD is present )
Access LED –Green color (When HDD is busy )
Error LED –Red color (When HDD is fail )
Alert Monitoring
1. Fan speed monitoring :
a. 3P3C connector disable/enable by DIP sw.
b. Fan alarm threshold is 2000rpm
2. Overheat monitoring :
a. Two temperature sensors on HDD site
b. Two optional Temp. selection :55 ℃ /65 ℃
3.Redundant PSU monitoring :
a. PSU fail signal input : TTL signal input (normal high
and pull-high resistor is required)
b .PSU alarm mute output : short two pins together
when alarm mute switch (on the front site) is pressed
4. Alert Notification :
a. Support one buzzer for audible alarm
b. 1× fail LED outputs for fan/overheat/PSU failure
events (on the front site)
c. 1 x alarm mute switch connector for disabling
audible alarm
d. Fan & overheat fail will trigger both audible alarm &
fail LED , PSU will trigger fail LED only
HDD Fail and
Activity
Functionality
supported
1. HDD activity LED source is selected by 2 x 5 pins
headers “jumper setting” for :
a. from pin 11 of HDD (As HDD support )
b. external HBA Card by adapter wire
Or SGPIO functionality