Kupu Whakataki
This manual provides detailed instructions for the proper use, setup, maintenance, and troubleshooting of your Motorola Solutions PMMN4051B Remote Speaker Microphone (RSM). The PMMN4051B is designed to enhance communication clarity and convenience for users of compatible Motorola Solutions XTS radio series.
The PMMN4051B RSM features a 3.5mm audio jack, IP54 water resistance, and Windporting technology to reduce background noise. It allows for hands-free communication without needing to remove the radio from its belt or case.

Whakaahua 1: Motorola Solutions PMMN4051B Remote Speaker Microphone with its accompanying instruction sheet (part number 68012000015-A). The microphone features a speaker grille, a Push-To-Talk (PTT) button on the side, and a coiled cable terminating in a multi-pin connector for radio attachment.
Nga waahanga matua
- 3.5mm Jack Ororongo: Allows connection of an external earpiece for private listening.
- IP54 Whakatauria: Provides protection against dust ingress and water spray from any direction, ensuring durability in various environments.
- Windporting Feature: Advanced technology that significantly reduces background noise caused by high winds and severe weather, ensuring clear communication.
- Superior Audio Clarity: Engineered to deliver clear and sharp audio transmission and reception.
- Mahi Watea: Enables users to speak and listen without removing the radio from its carrying position.

Whakaahua 2: Mua view of the PMMN4051B Remote Speaker Microphone, highlighting the speaker grille and the Motorola logo. This view emphasizes the compact and ergonomic design of the microphone.
Hototahi
The Motorola Solutions PMMN4051B Remote Speaker Microphone is fully compatible with the following Motorola Solutions XTS Radio Series:
- XTS1500
- XTS2500
- XTS5000

Whakaahua 3: An illustration showing four different models from the Motorola XTS radio series, which are compatible with the PMMN4051B Remote Speaker Microphone. These radios vary in their display and keypad configurations.
Tohutohu Tatūnga
Follow these steps to properly connect your PMMN4051B Remote Speaker Microphone to your compatible Motorola Solutions radio:
- Power Off Radio: Ensure your radio is powered off before connecting any accessories.
- Kimihia Tauranga Apatoko: Identify the accessory port on the side of your Motorola XTS series radio. This port is typically covered by a protective flap.
- Connect RSM: Align the multi-pin connector of the PMMN4051B RSM with the radio's accessory port. Gently push the connector in until it is fully seated. Secure the connection if your radio model features a locking screw.
- Position RSM: Use the integrated swivel clip on the back of the RSM to attach it securely to your uniform, vest, or collar for easy access.
- Te Hiko Irirangi: Once the RSM is securely connected, power on your radio. The radio should recognize the accessory automatically.

Whakaahua 4: He taipitopito view of the PMMN4051B Remote Speaker Microphone, showing its coiled cable and the multi-pin connector designed for attachment to compatible Motorola XTS series radios. This image illustrates the components involved in connecting the RSM.
Nga Tohutohu Whakahaere
The PMMN4051B Remote Speaker Microphone simplifies radio communication. Here are the basic operating procedures:
- Whiwhi Ororongo: Audio from the radio will be routed through the RSM's speaker. Ensure the speaker grille is not obstructed for optimal sound clarity.
- Transmitting (Push-To-Talk - PTT): To transmit, press and hold the PTT button located on the side of the RSM. Speak clearly into the microphone grille. Release the PTT button to stop transmitting and return to receive mode.
- Ma te whakamahi i te Jack Ororongo 3.5mm: For private listening, insert a compatible 3.5mm earpiece into the audio jack on the side of the RSM. When an earpiece is connected, audio will typically be routed to the earpiece, muting the RSM's internal speaker.
- Windporting Functionality: The Windporting feature automatically reduces wind noise. Position the microphone to minimize direct wind impact for best performance.

Whakaahua 5: Whakamuri view of the PMMN4051B Remote Speaker Microphone, displaying the robust swivel clip for attachment and the model number label (PMMN4051B). This clip allows for flexible positioning on clothing or gear.
Tiaki me te Tiaki
Proper care ensures the longevity and optimal performance of your PMMN4051B RSM:
- Te horoi: Wipe the exterior of the RSM with a soft, damp cloth. Do not use harsh chemicals, solvents, or abrasive cleaners. Ensure the 3.5mm audio jack and radio connector are free from dirt and debris.
- Ātete wai: The RSM is IP54 rated, meaning it is resistant to dust and splashing water. It is not designed for submersion. If the RSM gets wet, dry it thoroughly before use. The Windporting design allows audio transmission even if water blocks the port.
- Rokiroki: Store the RSM in a clean, dry environment away from extreme temperatures and direct sunlight. Avoid tightly coiling the cable to prevent damage.
- Tirotiro: Periodically inspect the cable for any signs of wear, cuts, or damage. Check the integrity of the radio connector and the 3.5mm audio jack.
Raparongoā
If you encounter issues with your PMMN4051B Remote Speaker Microphone, refer to the table below for common problems and solutions:
| Raruraru | Take pea | Rongoā |
|---|---|---|
| Kāore he oro mai i te kaikorero RSM. | RSM not fully connected; radio volume too low; external earpiece connected. | Ensure RSM connector is fully seated. Increase radio volume. Disconnect external earpiece if not intended for use. |
| Cannot transmit (PTT button unresponsive). | RSM not fully connected; radio not powered on; PTT button malfunction. | Verify RSM connection. Power on radio. If issue persists, contact support. |
| Oro whakapohehe, kāore rānei i te mārama. | Microphone/speaker obstructed; cable damage; radio settings. | Clear any obstructions from microphone/speaker. Inspect cable for damage. Check radio audio settings. |
| Te haruru nui rawa o te hau. | Microphone directly exposed to strong wind. | Reposition RSM to shield it from direct wind. The Windporting feature will mitigate most wind noise. |
Whakatakotoranga Hangarau
The following table outlines the key technical specifications for the Motorola Solutions PMMN4051B Remote Speaker Microphone:
| Whakatakotoranga | Taipitopito |
|---|---|
| Tau tauira | PMMN4051B |
| Kaihanga | Motorola Solutions |
| Waea Puka Whakaoho | Lavalier |
| Puna Mana | Radio (powered by connected radio) |
| Tohu Waitohu-ki-Toi | 78 dB |
| Te maha o nga hongere | 1 |
| Taumaha Tūemi | 8.2 hekere (tata ki te 232 karamu) |
| Ahu mōkihi | 8.27 x 3.66 x 2.44 inihi |
| Tae | Pango |
| Hangarau Hononga | Radio interface adapter cable |
| Momo Tuhono | Multi-pin Motorola Radio cable, 3.5mm audio jack |
| Nga waahanga motuhake | IP54 Water Resistance, Windporting |
| Pūrere Hototahi | Motorola XTS1500, XTS2500, XTS5000 series radios |
| Nga Waahanga kei roto | Puoro Puoro Mamao |
| Tauira Poara | Takitahi |
| UPC | 00748091005336 |

Whakaahua 6: The product packaging box for the Motorola Solutions PMMN4051B, displaying the kit number, a description of 'BASIC RSM THREADED AJACK', and the UPC (00748091005336). The box also indicates 'MADE IN MALAYSIA'.
Pūtāhui me te Tautoko
The Motorola Solutions PMMN4051B Remote Speaker Microphone is covered by a manufacturer's warranty. For specific warranty terms, duration, and conditions, please refer to the documentation included with your purchase or visit the official Motorola Solutions website. For technical support, service, or to inquire about replacement parts, please contact Motorola Solutions customer service directly.
Ka kitea e koe etahi atu korero me nga rauemi tautoko i runga i te Motorola Solutions Store.





