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v 1.01

www.vantecusa.com

Model: MRK-M3501T/MRK-M3503T/MRK-M3504T/MRK-M3505T

LED Indicators (L01)

GREEN 

- Power ON

GREEN with ORANGE Blink

 - Disk Activity

RED

 - Drive Powered, but no data connection on Back

No LED

 - No power to the Drive Bay, No drive in the Tray

Power Connector (P01)

Power Connection for the single Bay

Drive Bay – LED – DATA Connectors

Drive Bay 1(B01) – L01 – D01

[Corresponding Drive Bay, LED and DATA Connectors (on Back)]

Note:

1)  You can mix SATA and SAS drives in the same storage 

unit, but SATA drives HAVE to be connected to SATA 

controller and SAS drive HAVE to be connected to SAS 

controller SAS drive only support Primary Channel

HDD Activity LED Switch (SW1)

ON 

- Show Disk Activity

OFF

 - Show Green Power LED (If Drive(s) is in the tray)

LED Indicators (L01-L05)

GREEN 

- Power ON

GREEN with ORANGE Blink

 - Disk Activity

RED

 - Drive Powered, but no data connection on Back

No LED

 - No power to the Drive Bay, No drive in the Tray

LED Temperature (T01)

Normal 

- Green LED

Exceeding Set Temperature

 - Red LED

FAN1

- Fan pull air from the front of the Storage Bays

- Fan Size: 80 x 80 mm Fan

- Fan Status (F01) - will show Red LED if fan Fails

LED Fan Status (F01)

Normal 

- Green LED

Fan Failure

 - Red LED

Drive Bay – LED – DATA Connectors

Drive Bay 1(B01) – L01 – D01

Drive Bay 2(B02) – L02 – D02

Drive Bay 3(B03) – L03 – D03

Drive Bay 4(B04) – L04 – D04

Drive Bay 5(B05) – L05 – D05

[Corresponding Drive Bay, LED and DATA Connectors (on Back)]

Note:

1) You can mix SATA and SAS drives in the same storage unit, 

but SATA drives HAVE to be connected to SATA controller

and SAS drive HAVE to be connected to SAS controller 

2) SAS drive only support Primary Channel

Fan Speed Switch (SW1)

LOW 

- 2400 rpm

HIGH

- 3000 rpm

HDD Activity LED Switch (SW2)

ON 

- Show Disk Activity

OFF

 - Show Green Power LED (If Drive(s) is in the tray)

Default Internal Storage Unit Temperature 

set to 60°C, you can change the jumper to 

either 55°C, 60°C or 65°C Fan Status LED, 

Set via FR, F+, FG Temperature Status LED, 

set via TR, T+, TG Hard Drive Activity LED 

set via +HDD, 1;+HDD, 2;+HDD, 3; +HDD, 

4; +HDD, 5

Power Connector (P01, P02)

Dual Power Connection for all 5 Bays

Note:

1) Two Power Connectors must be connected 

from the system power supply

2) Power load balance by all attached drives

LED Indicators (L01-L04)

GREEN 

- Power ON

GREEN with ORANGE Blink

 - Disk Activity

RED

 - Drive Powered, but no data connection on Back

No LED

 - No power to the Drive Bay, No drive in the Tray

LED Temperature (T01)

Normal 

- Green LED

Exceeding Set Temperature

 - Red LED

Drive Bay – LED – DATA Connectors

Drive Bay 1(B01) – L01 – D01

Drive Bay 2(B02) – L02 – D02

Drive Bay 3(B03) – L03 – D03

Drive Bay 4(B04) – L04 – D04

[Corresponding Drive Bay, LED and DATA Connectors (on Back)]

Note:

1) You can mix SATA and SAS drives in the same storage unit, 

but SATA drives HAVE to be connected to SATA controller

and SAS drive HAVE to be connected to SAS controller 

2) SAS drive only support Primary Channel

Fan Speed Switch (SW1)

LOW 

- 2400 rpm

HIGH

- 3000 rpm

HDD Activity LED Switch (SW2)

ON 

- Show Disk Activity

OFF

 - Show Green Power LED (If Drive(s) is in the tray)

Default Internal Storage Unit 

Temperature set to 60°C, you can 

change the jumper to either 55°C, 60°C 

or 65°C Fan Status LED, Set via FR, F+, 

FG Temperature Status LED, set via TR, 

T+, TG Hard Drive Activity LED set via 

+HDD, 4;+HDD, 3; +HDD, 2; +HDD, 1

FAN1

- Fan pull air from the front of the Storage Bays

- Fan Size: 80 x 80 mm Fan

- Fan Status (F01) - will show Red LED if fan Fails

LED Fan Status (F01)

Normal 

- Green LED

Fan Failure

 - Red LED

Power Connector (P01, P02)

Dual Power Connection for all 4 Bays

Note:

1) Two Power Connectors must be connected 

from the system power supply

2) Power load balance by all attached drives

LED Indicators (L01-L03)

GREEN 

- Power ON

GREEN with ORANGE Blink

 - Disk Activity

RED

 - Drive Powered, but no data connection on Back

No LED

 - No power to the Drive Bay, No drive in the Tray

LED Temperature (T01)

Normal 

- Green LED

Exceeding Set Temperature

 - Red LED

Drive Bay – LED – DATA Connectors

Drive Bay 1(B01) – L01 – D01

Drive Bay 2(B02) – L02 – D02

Drive Bay 3(B03) – L03 – D03

[Corresponding Drive Bay, LED and DATA Connectors (on Back)]

Note:

1) You can mix SATA and SAS drives in the same storage unit, 

but SATA drives HAVE to be connected to SATA controller

and SAS drive HAVE to be connected to SAS controller 

2) SAS drive only support Primary Channel

Fan Speed Switch (SW1)

LOW 

- 2400 rpm

HIGH

- 3000 rpm

HDD Activity LED Switch (SW2)

ON 

- Show Disk Activity

OFF

 - Show Green Power LED (If Drive(s) 

is in the tray)

Default Internal Storage Unit Temperature set 

to 60°C, you can change the jumper to either 

55°C, 60° C or 65°C Fan Status LED, Set via FR, 

F+, FG Temperature Status LED, set via TR, T+, 

TG Hard Drive Activity LED set via +HDD, 3; 

+HDD, 2; +HDD, 1

FAN1

- Fan pull air from the front of the Storage Bays

- Fan Size: 70 x 70 mm Fan

- Fan Status (F01) - will show Red LED if fan Fails

LED Fan Status (F01)

Normal 

- Green LED

Fan Failure

 - Red LED

Power Connector (P01, P02)

Dual Power Connection for all 3 Bays

Note:

1) Two Power Connectors must be connected 

from the system power supply

2) Power load balance by all attached drives

D01

P01

FAN1

FAN1

FAN1

L01

L03

L02

L01

L03

L04

L02

L01

L03

L04

L04

L02

L01

B01

B03

T01

F01

T01

F01

F01

D05

D04

D03

D02

D01

T01

B02

B01

B03

B04

B02

B01

B01

B02

B03

B04

B05

SW1

SW1

D01

D02

D03

D01

D02

D03

D04

P01

P01

P02

P02

P02

SW2

P01

SW1

SW2

SW1

SW2

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