What is the maximum distance between the reader and controller?

The maximum distance is 100 meters, with a suggested distance of 80 meters.

Does the system support remote operation?

Yes, it supports remote operation for door switching and fire alarm linkage.

What is the working voltage range?

The working voltage is DC 9V-15V.

High Security Multi-Door Access Control Board 4 Door Network Panel with 20, 000 User Capacity for Large Buildings

Name: High Security Multi-Door Access Control Board 4 Door Network Panel with 20, 000 User Capacity for Large Buildings
Brand: Shenzhen Nordson Electronic Co., Ltd.
SKU: 2250826375

Guangdong, ChinaShenzhen Nordson Electronic Co., Ltd.

US$75.00

1-49 Pieces

US$72.00

50-99 Pieces

US$65.00

100+ Pieces

Sample price:US$42.00/piece.Request sample

Product profile

Customization

Available

Card Reader Quantity

Control Gates

Four Gates

Model NO.

NS-L4

Technology

32-Bit Technology

Way of Control

Computer Control

Communication Mode

TCP/IP

Type

One-way Controller

User Card

20,000

Event Buffer

100,000

Input Format of Reader

Wiegand26

Communication

TCP/IP

Max Q'ty of Controller

No Limit

Working Voltage

DC 9V-15V

Working Current

<100mA

Max Distance From Reader to Controller

100m (Suggestion Distance 80m)

Size of PCB Board

160mm *106mm

Transport Package

Neutral Packing

Specification

CE, ROHS

Trademark

Nordson

Origin

Guangdong China

HS Code

8537109090

Production Capacity

20000PCS/Month

Key features

High User Capacity: Supports up to 20,000 users for large-scale building access control.

Advanced 32-Bit Technology: Features ARM platform with high-speed operation for immediate door access.

TCP/IP Network Communication: Enables remote authentication, real-time monitoring, and stable network connectivity.

Robust Data Protection: Large-capacity Flash memory retains data for 10 years even during power interruptions.

Multi-Method Door Access: Supports card, password, card+password, double cards, and timed door switching.

Industrial Grade Stability: Includes lightning protection, surge protection, and optocoupler protection for all inputs.

Scalable Controller System: No limit on the maximum quantity of controllers for unlimited expansion.

Comprehensive Security Features: Supports anti-passback, interlock, fire alarm linkage, and multiple event alarms.

Company profile

High Repeat Buyers ChoiceExperienced TeamSelf-brandedPatents Awarded

Shenzhen Nordson Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-05-01Nearest Port: shenzhen,hongkongAverage Response Time: ≤6.24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company operating in electronic products and components, with stated import and export scope. It holds ISO 9001 certification and reports written procedures for supplier-service assessment, corrective and preventive actions, and customer complaints. The supplier reports recent new-product development and ODM availability, but no SDK, 3D software design service, or professional technical-supplier R&D capability. Production information lists 100,000 pieces annually for each of five access-control-related product categories, while finished-product inspection procedures are documented and consistently followed. Customization is available across sample-based, design-based, full, minor, and flexible formats. Financial records are referenced for 2022–2024, but no substantive financial results are provided. No customer cases or named customers are disclosed.

CertificationsThe supplier reports ISO 9001 certification for its management system. The slice does not provide the certificate number, validity period, or certification scope, but it is explicit evidence of certification holding.

After-Sales capabilityThe supplier reports clear procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. These records directly support an established service-response process.

Production capacityAnnual productivity is listed as 100,000 pieces for each of magnetic locks, electric bolts, electric strikes, fingerprint time-attendance products, and access-control products. The supplier also reports 50 quality-control staff and a documented finished-product inspection method, although its company type is separately identified as a trading company.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization service coverage.