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Installing an Interface Card

If you remove the slot divider 
between SIC slots 1 and 2 or 3 and 
4 on an MSR3024/3044/3064, you 
can install a DSIC interface card.
DSIC interface cards are not hot 
swappable.

SIC interface cards are not hot 
swappable.

HMIM interface cards on the 
MSR3024/3044/3064 are hot 
swappable.

AC power module

DC power module

Installing the power module

MSR3044/3064 supports two power
modules for redundancy. The power 
modules are hot swappable.

PWR2

To install a power 
module:
1. Remove the filler 

panel (if any).

2. Insert the AC/DC 

power module.

3. Fasten the captive 

screw.

MSR3012/3024 uses built-in power 
modules.

MSR3044

PWR1

5

6

Connecting the Power Cable

Before connecting the power cable, make sure the router is properly grounded. 

Make sure the power switch is off and connect the power cable to the router first 

and then to the equipment-room power supply system to avoid bodily injury.

The power cord in the figure is only for illustration.

If you remove the filler module next to the
PWR1 slot, you can install a PoE power 
module.

PoE power module

Filler module

To connect the power cable for rack-mounting:

1. Connect one end of the power cable to the router and the other end to the 

power source.

2. Use a removable cable tie to secure the power cable plug to the power module. 

Attach labels to both ends of the power cable. 

To connect the power cable when you mount the router on a workbench:

1. Connect one end of the power cable to the router and the other end to the 

power source.

2. Use a removable cable tie to secure the power cable plug to the power module. 

Arrange the power cables neatly and keep them away from high-temperature, 
wet, or sharp objects.

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