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ZMUX-08E2G Desktop PCM Multiplexing Equipment

ZMUX-08E2G Desktop PCM Multiplexing Equipment

The ZMUX-08E2G desktop‑type PCM multiplexing device is compact and plug‑and‑play, integrating voice, audio, data, and other services and converting them into E1 signals for long‑distance communication. Fully self‑controlled and compliant with China’s information technology innovation (ITI) requirements, it offers dual E1 links with primary‑backup protection, eight user interfaces, and one Ethernet port, all configurable as needed. Supporting dual power redundancy and network management monitoring, it delivers high reliability and is well suited for small‑scale deployments.

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E1 Circuit Transmission Series

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Product Overview Application Solutions Configuration Information Technical Parameters Product Documentation

Product Overview

ZMUX-08E2G is a desktop PCM multiplexing device specially designed and developed by Guangzhou Yinxun Comm.Tech.Co..Ltd for flexible deployment. With its compact size and plug-and-play functionality, it perfectly addresses the challenge of economically and efficiently integrating voice, audio, data, and other services into a miniaturized chassis in small-scale scenarios, converting them into E1/2M signals for remote communication transmission.

The ZMUX-08E2G core integrated circuit has completed domestic design, with a localization rate exceeding 90%. It boasts independent intellectual property rights, is fully self-reliant and controllable, and complies with national information technology innovation (ITI) requirements.

The ZMUX-08E2G provides two E1 line interfaces (supporting 1+1 protection), eight user‑service interfaces, and one Ethernet interface. Users can select the appropriate service interface types and quantities based on site requirements. It also supports dual‑power redundancy and network management monitoring, meeting the demands of high‑reliability applications.

Features and Benefits

Dual E1 link 1+1 protection: Supports dual E1 link access and automatic seamless switchover. When the primary link fails, traffic is switched to the backup link with zero packet loss, ensuring uninterrupted communication.

Dual-power redundant protection: Supports dual‑channel AC or AC/DC hybrid 1+1 hot backup, with seamless switchover in the event of a power failure, ensuring continuous and stable operation.

Intelligent Network Management and Monitoring: Supports network management and monitoring, enabling remote real-time tracking of E1 link status and bit error rate, with channel inspection integrated with alarm notifications to reduce operational and maintenance costs.

Mini case: It can be placed on a desktop, inside a low-voltage distribution box, or in the corner of a cabinet; it can also be fitted with rack ears for installation in a standard 19-inch rack. It supports natural cooling and an optional fan module, balancing quiet operation with efficient heat dissipation.

Plug and Play: Connect the E1 link—no configuration or debugging required; power on, and services are immediately available—plug-and-play.

Unified Integration: Modular design with eight service slots configurable as needed: FXO/FXS, two-/four-wire audio (E&M), and RS‑232/422/485.

Dedicated bandwidth line: An optional Ethernet interface is available, supporting pass‑through of broadband data services such as office networking and video streaming.

Improved status notifications: The front panel is equipped with E1 and user‑interface indicator lights, enabling rapid identification of link fault locations and online status.

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Custom-made on demand

Configuration Hierarchy	Configuration item	Specification Model	Specifications and Parameters	Quantity	Optional Configuration Status
Basic System	Equipment chassis and main system board	ZMUX-08E2G	1U-height chassis, supporting rack or desktop mounting; 2 E1 link interfaces; 8 universal business module slots; 1 Ethernet module slot; 1-way 48 VDC power interface; 1-way 220VAC power interface.	1 unit	Must-have
Business Module	Ring Trunk Interface Module	MFXO.1CH	1-channel FXO loop‑start trunk interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Analog Subscriber Line Interface Module	MFXS.1CH	1 FXS analog subscriber line interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Hotline Telephone Interface Module	MHL.1CH	Line 1 hotline telephone interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Magnetic Telephone Interface Module	MMAG.1CH	1-way magnetic telephone interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Secondary Audio Interface Module	M2VF.1CH	1-channel two-wire audio interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Second-line EM interface module	M2EM.1CH	1st line, second-line EM interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Four-channel audio interface module	M4VF.1CH	1-way four-channel audio interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Four-line EM interface module	M4EM.1CH	Four-line EM interface for Line 1, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	RS232 interface module	MRS232.1CH	1-way asynchronous RS-232 interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	RS422 interface module	MRS422.1CH	One-channel asynchronous RS422 interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	RS485 interface module	MRS485.1CH	1 RS485 interface, Requires one slot in the general-purpose business module.	On demand	Optional configuration
Business Module	Ethernet Interface Module	MFE.1CH	1-way 10/100M Ethernet interface, It requires one dedicated slot in the Ethernet module.	On demand	Optional configuration
Power supply	Power adapter	YX-4801	220VAC input, -48VDC output, 60W power.	On demand	Optional configuration

Custom-made on demand

Specifications and dimensions
157 mm (depth) × 240 mm (width) × 44 mm (height), excluding rack-mount ears

Work environment
Temperature: 0°C~45°C
Humidity: 5%–95%, non-condensing
Storage temperature: -40°C to +70°C
Altitude: 0–5,000 m

Equipment Power Supply
DC power input voltage: -48 VDC
DC power input voltage range: -36 VDC to -72 VDC
AC input voltage: 220 VAC
AC input voltage range: 110 VAC ~ 253 VAC
Device power consumption: ≤20W

E1 interface
Number of interfaces: 2 channels
Bit Rate: 2048 Kbps ± 50 ppm
Code Type: HDB3
Interface impedance: 75 Ω unbalanced or 120 Ω balanced
Frame Structure: PCM30 Framing
Jitter Performance: Compliant with ITU-T G.823
Standard: Complies with ITU-T G.703 and G.704
Connector: CC4 or RJ45

Loop‑break interface and analog subscriber line interface
Number of interfaces: 1–8 channels (supports flexible configuration)
Frequency response: 300–3400 Hz
Crosstalk Attenuation: ≥65 dB
Idle channel noise: ≤-63.7 dBm
Return Loss: Complies with YD/T 729-1994
Vertical transformation loss: Complies with YD/T 729-1994.
Total signal-to-noise ratio: Complies with YD/T 751-1995.
Loop impedance: ≥1800 Ω
Connector: RJ45/RJ11

Low-rate data interface
Number of interfaces: 1–8 channels (supports flexible configuration)
Interface Type: RS232/RS422/RS485
Data Rate: Adaptive from 0 to 19.2 Kbps
Connector: RJ45

2/4-wire audio (E&M) interface
Number of interfaces: 1–8 channels (supports flexible configuration)
Interface Type: Two-wire Audio (E&M) / Four-wire Audio (E&M)
Frequency response: 300–3400 Hz
Transmission level: -16 dBm to +3 dBm (two-wire, adjustable)
-17 dBm to +5 dBm (four-wire/adjustable)
Receive level: -16 dBm to +3 dBm (two-wire / adjustable)
-17 dBm to +7 dBm (four-wire/adjustable)
Idle channel noise: ≤-65 dBm
Impedance: 600Ω
Signaling: Supports E&M trunking functions (Classes I, II, III, IV, and V signaling)
Connector: RJ45

Ethernet interface
Number of interfaces: 1 channel (optional)
Interface type: 10/100Base-T
Interface speed: 10/100 Mbps auto-negotiation
Connector: RJ45

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