Motorola solutions PMMN4128 Quick Start Manual Download Page 2

Optional Accessories

Replacement Parts

Service and Warranty

Other than the replaceable cable assembly, dust 
cover, and clip, the PMMN4128 Remote Speaker 
Microphone is not repairable. The RSM is 
covered under the standard Motorola Solutions 
one-year limited warranty.

Coil Cord Replacement Procedure

1.

Remove the screws to disassemble the 
RSM.

2.

Remove the cable.

3.

Reassemble the RSM.

Replacing the Dust Cover

1.

Lift both sides of the dust cover.

2.

Pull out the dust cover to dismantle it.

3.

Bend the dust cover.

4.

Insert to the dust cover slot.

Table 2: Optional Accessories

Part Number

Description

PMLN8120

Rx only xL Clear Tube 

Earpiece, 3.5mm Jack

Table 3: Replacement Parts

No

Description

1

Low Profile Swivel Clip 

(PMLN8121)

2

Dust Cover 10pcs/pack 

(PMLN8122)

3

Coil Cord (PMKN4232)

1

2

3

1

2

3

Attaching Swivel Clip

1.

Match and align the arrowhead icons and 
side wings.

2.

Push down the top of the clip.

3.

Simultaneously, push slide clip upward.

Detaching Swivel Clip

1.

Push top of the clip to raise the clip to the 
highest position.

2.

Lift up the bottom release latch.

3.

Slide the clip to remove the clip.

Refer to manual MN006622A01for other languages: https://
learning.motorolasolutions.com

Notes

1

2

3

2

1

3

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