Manual

Product Overview
12
1.6 SAS Controller Rear View
A12-SS
No. Item Description
1 AC power port Connects to the power source.
2 Power supply handle Use to pull out the power supply.
3 Power supply switch Use to switch the power on or off.
4 Cooling fan 1 System cooling fan.
5 Chassis ID Use for JBOD enclosure only. See 1.7
Switch ID on page 15.
6 UPS port Provides UPS powered data
connection.
7 AC power port Connects to the power source.
8 Power supply handle Use to pull out the power supply.
9 Power supply switch Use to switch the power on or off.
10 Cooling fan 2 System cooling fan.
11 Controller A RAID system controller A (Primary
controller),
12 Host channel 2 (Controller A) Connects to the host server.
13 Expansion port (Controller A) Use for JBOD expansion. (A12R-SJ)
14 Host channel 1 (Controller A) Connects to the host server.
15 RS-232 port Connects to external terminal for CLI
management.
16 Ethernet port Connects to LAN for GUI
management.
17 Controller B RAID system controller B (Secondary
controller).
18 Host channel 2 (Controller B) Connects to the host server.
19 Expansion port (Controller B) Use for JBOD expansion. (A12R-SJ)
20 Host channel 1 (Controller B) Connects to the host server.
21 RS-232 port Connects to external terminal for CLI
management.
22 Ethernet port Connects to LAN for GUI
management.
A
1
B
2
15
ON DIP
432
U
P
S
COM LAN
CH 2
EXP
EXP Access
EXP Link CTRL Ready
CH 1
COM LAN
CH 2
EXP
EXP Access
EXP Link CTRL Ready
CH 1
1
1312 14 15 1611
2 3 4 75 6
1918 20 21 2217
8 9 10
A
1
B
2
15
ON DIP
432
U
P
S
COM LAN
CH 2
EXP
EXP Access
EXP Link CTRL Ready
CH 1
1
1312 14 15 1611
2 3 4 75 6 8 9 10
A12R-SS A12U-SS