Panasonic KX-NS5172X 16-Port Digital Extension Card
The Panasonic KX-NS5172X 16-Port Digital Extension Card is an internal DLC16 expansion card for compatible KX-NS communication systems. It adds digital extension connections for Digital Proprietary Telephones, Direct Station Selection consoles, and proprietary telephone-interface cell stations. Therefore, it suits organisations that need to expand digital telephone capacity while maintaining centralised call management.
Product Overview
This card provides 16 digital extension ports for supported business telephone devices. It connects compatible Digital Proprietary Telephones and Direct Station Selection consoles to the Private Branch Exchange. As a result, businesses can add more workstations and operator controls without replacing the complete communication system.
The Panasonic KX-NS5172X 16-Port Digital Extension Card uses four RJ45 sockets for organised extension cabling. It can operate in the KX-NS500 main unit and supported KX-NS520 expansion configurations. However, final capacity depends on available slots, system resources, connected devices, and PBX programming.
Key Features
- Provides 16 digital extension ports, expanding the number of supported digital telephone connections.
- Supports Digital Proprietary Telephones, giving users access to compatible PBX calling and programmable key functions.
- Connects Direct Station Selection consoles, helping receptionists and operators manage extensions and calls efficiently.
- Supports proprietary telephone-interface cell stations, allowing compatible wireless communication components to join the PBX.
- Uses four RJ45 sockets, helping installers organise the 16 digital extension circuits.
- Supports Digital Extra Device Port operation with compatible telephones, subject to device and system configuration.
- Installs internally, keeping extension expansion integrated within the business communication platform.
Technical Specifications
- Brand: Panasonic
- Model: KX-NS5172X
- Core model reference: KX-NS5172
- Product type: Digital extension card
- Card designation: DLC16
- Digital extension ports: 16
- Connectors: 4 RJ45 sockets
- Supported endpoints: Digital Proprietary Telephones
- Console support: Direct Station Selection consoles
- Cell station support: Proprietary telephone-interface cell stations
- Compatible systems: KX-NS500 main unit and supported KX-NS520 expansion configurations
- Included accessories: Four spacers and one slot cover
- Installer-supplied items: RJ45 connectors and twisted-pair cable
- Installation type: Internal optional service card
Common Applications
The Panasonic KX-NS5172X 16-Port Digital Extension Card suits offices, hotels, schools, hospitals, reception areas, and customer service departments. It supports deployments that require more digital desk telephones, operator consoles, or compatible cell stations. Before installation, a technician should confirm slot availability, endpoint compatibility, cabling, and total system capacity.
Why Choose This Product?
This DLC16 card offers a structured method for expanding digital extensions within a compatible KX-NS system. Moreover, its four RJ45 sockets support tidy, centralised cabling. Organisations can therefore increase endpoint capacity while continuing to manage users through the existing PBX.
The Panasonic KX-NS5172X 16-Port Digital Extension Card also supports several types of digital PBX equipment. Consequently, it provides practical flexibility for staff telephones, reception consoles, and supported wireless cell stations. Professional installation ensures correct card placement, port assignment, and endpoint programming.
Frequently Asked Questions
Can analogue single-line telephones connect directly to the KX-NS5172X?
The DLC16 card serves digital proprietary devices and compatible cell stations. Analogue single-line telephones require a supported analogue extension interface.
Why does the KX-NS5172X use four RJ45 sockets?
Each RJ45 socket carries several digital extension circuits. Together, the four sockets provide the card’s 16 digital ports.
Does the card connect DECT handsets directly?
DECT handsets do not connect directly to the card. The KX-NS5172X supports compatible proprietary telephone-interface cell stations that provide wireless handset connectivity.
Are RJ45 connectors and extension cables supplied with the card?
RJ45 connectors and twisted-pair cables are installer-supplied items. The documented card accessories include four spacers and one slot cover.














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