Polycom RMX 4000 Hardware Guide

4Carefully slide the PEM unit out from the rear slot.

5Slide in the replacement PEM unit.

6Push the PEM unit firmly into the Power Supply, making sure it is properly seated in its slot.

7Tighten the captive screws on the rear panel of the PEM unit to the rear chassis.

Replacing a DC Power Rail Module (PRM)

On the rear of the RMX 4000 two DC Power Rail Modules are fitted, each with their own power cord.

Use the following procedure to replace a DC Power Rail Module:

Please verify the type of PRM used on your RMX 4000. Do not insert a Power Rail Module of a different type on your system.

When replacing a DC Power Rail Module:

On the Mains, disconnect the electricity that supplies direct current running through the power cable to the failed DC PRM.

1Turn OFF the circuit switch on the each of the DC PRMs and from the Mains.

2Verify that DC PRM unit you are about to replace on the RMX 4000 is not HOT or has any Live current feed.

3Remove the plastic cap fitted to the Terminal block that protects the direct current connections.

2-7

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Polycom DOC2559B manual Replacing a DC Power Rail Module PRM

DOC2559B specifications

The Polycom DOC2559B is a sophisticated conference phone designed to elevate the audio communication experience in various business environments. Renowned for its cutting-edge technology and user-centric features, the DOC2559B is equipped to handle the demands of modern workplaces.

One of the standout features of the DOC2559B is its HD Voice technology, which captures and delivers crystal-clear, high-definition audio. This ensures that conversations are rich and natural, enabling participants to engage more effectively, even in large meeting rooms. The advanced microphone array and full-duplex audio capabilities allow multiple speakers to be heard clearly without cutting off or compromising sound quality.

Another notable characteristic of the DOC2559B is its ability to connect to a wide range of devices. It supports both wired and wireless connections, accommodating local and remote calls through various platforms, including VoIP and traditional phone lines. The integration with cloud-based communication systems is seamless, further enhancing its versatility. Users can easily pair mobile devices through Bluetooth, facilitating conference calls directly from smartphones without needing additional hardware.

The design of the DOC2559B is functional yet elegant, featuring a user-friendly interface that makes operation intuitive. Its large, backlit LCD display provides clear visibility of relevant information such as caller ID, dialed numbers, and call status, making it easy for users to manage calls effectively. The unit is also programmable, allowing organizations to customize speed dial options for frequently contacted numbers, thus streamlining communication processes.

Durability and reliability are key attributes of the Polycom DOC2559B. Built with high-quality materials, it is designed to withstand the rigors of everyday use in a busy office environment. The device is also energy-efficient, helping companies reduce their carbon footprint while maintaining optimal performance.

Moreover, the DOC2559B boasts advanced security features, ensuring that sensitive conversations remain confidential. With encryption options and secure transmission protocols, it protects against unauthorized access and eavesdropping.

In summary, the Polycom DOC2559B is a powerful conference phone that combines high-fidelity audio, robust connectivity options, user-friendly features, and enhanced security. It is an excellent choice for businesses looking to improve their communication capabilities and foster collaboration in an increasingly digital workspace.