30-Channel PCM Multiplexer
This PCM multiplexer features a modular design for flexible configurations. It supports 30 channels for voice or data transmission.
Technical Specifications
Overview
Professional 30-Channel PCM Multiplexer
This PCM basic group device is a fundamental component for digital communication systems, designed to multiplex voice, data, and image signals into a standard 2M interface. It supports point-to-point transmission via a wide variety of optional interface cards, making it highly adaptable for diverse service requirements. With its compact 1U design and comprehensive status monitoring, it provides a reliable and easy-to-install solution for B2B telecommunications infrastructure.
Key Performance Metrics
30 CH
Max Channels
2,048 kbit/s
E1 Bit Rate
48 V
Input Voltage
Functional Features
Core Functionalities
- Supports Caller ID display on voice interfaces
- CCB payphone application with polarity reversal
- Direct 2M channel transmission
- Comprehensive status indications for easy maintenance
- Compact form factor for easy installation
Interface Options
- Optional Subscriber Modules
- FXOFXS2/4 Wire E&MRS232/V.24RS422RS485Hot-lineMagnet PhoneV.3510/100Base_T EthernetG.703 64Kb/s
Technical Specifications
G.703-E1 Interface
| Parameter | Value |
|---|---|
| Standard | ITU G.703/G.704 |
| Line Code | HDB3 |
| Impedance | 75Ω or 120Ω |
| Bit Rate Fault Tolerant | +102.4bit |
FXS/FXO Interface Parameters
| Metric | Specification |
|---|---|
| Impedance | 600Ω |
| Frequency Characteristic | 300～3400Hz |
| Insertion Loss | -3±0.75dB |
| Crosstalk Attenuation | ≥65dB |
| Loop Impedance | ≤1800Ω |
Ethernet Interface
- Compatible with IEEE802.3
- LAN Rate: 10/100Base_T
- WAN Rate: n×64k (n=1-30)
- Modes: Simplex, Duplex, Full-duplex, Transparent
Power & Environment
- Nominal Input Voltage
- -48 V
- Dynamic Voltage Range
- -36V to -72V
- Operating Temperature
- 0℃ ~ 40℃
- Relative Humidity
- ≤ 90% (at 25℃)
