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MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH vs MAR1020-99MMMMMM9999999SGGHPHH05
- Quick Overview of Core Differences
| Item de comparação | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 | Impact Description |
| Configuração da porta | Hybrid ports: Combination of MM multimode fiber and TT twisted pair | Pure fiber ports: 6 groups of MM multimode fiber, no twisted pair port | Determines connection medium. The first model fits optoelectronic hybrid networks, while the second suits pure fiber networks |
| Faixa de temperatura | Grade U: -40℃ ~ +85℃ (Wide temperature type) | Grade S: 0℃ ~ +60 ℃ (Standard temperature type) | The former applies to outdoor and extreme industrial environments; the latter is for indoor and standard machine rooms |
| Conformal Coating | UMMH: With anti-corrosion and moisture-proof conformal coating | SGGH: Without conformal coating | The former adapts to high humidity, salt fog and dusty environments; the latter fits clean surroundings |
| Versão do software | Versão básica (no suffix version number) | 05: 5th edition software | The latter contains more function updates and security patches |
| Power Redundancy | Redundant power supply (MM stands for redundancy in UMMH) | Single power supply (GG stands for single power in SGGH) | Redundant power enhances system reliability for mission-critical applications |
- In-depth Segment-by-segment Model Analysis
Hirschman MACH1000 series coding rule: MAR1020-99[Configuração da porta][Temperature/Coating/Power][Versão do software]
2.1 Basic Identical Model Segment
– MAR1020: 24-port Fast Ethernet rugged switch of Hirschmann MACH1000 series, 19-inch rack-mounted, design sem ventilador
– 99: Port configuration prefix, representing 24 100Mbps ports
2.2 Port Configuration Segment (Diferença Chave 1)
| Segmento de código | Definição | Specific Configuration |
| MMMMTTTTTTTTTTTTTTT | Hybrid ports: 4 multimode fiber ports + 16 twisted pair ports | 4×FE MM-SC multimode fiber ports + 16×FE TX RJ45 twisted pair ports |
| MMMMMM9999999 | Pure fiber ports: 6 multimode fiber ports, no twisted pair port | 6×FE MM-SC multimode fiber ports with no twisted pair equipped; 999999 means vacant twisted pair ports |
2.3 Temperatura, Coating & Power Segment (Diferença Chave 2-4)
| Segmento de código | Faixa de temperatura | Conformal Coating | Tipo de energia |
| UMMH | Você: -40℃ ~ +85℃ wide temperature | M: Equipped with conformal coating | MH: Redundant power supply (100-240VCA/CC) |
| SGGH | S: 0℃ ~ +60℃ standard temperature | G: Without conformal coating | GH: Single power supply (100-240VCA/CC) |
2.4 Software Version Segment (Diferença Chave 5)
| Segmento de código | Versão do software | Descrição da função |
| PHH | Versão básica (no version number) | Classic L2P professional Layer 2 software |
| PHH05 | 05: 5th edition | Updated Classic L2P professional Layer 2 software |
- Full Parameter Comparison Table| Categoria de parâmetro | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 |
| —- | —- | —- | —- |
| Tipo de produto | 24-port 100Mbps rugged managed switch | 24-port 100Mbps rugged managed switch |
| Total de portas | 24 (4 multi-mode fiber + 16 twisted pair) | 24 (24 multi-mode fiber, no twisted pair) |
| Port Type | FE MM-SC multi-mode fiber + FE TX RJ45 | 24×FE MM-SC multi-mode fiber |
| Temperatura operacional | -40℃ ~ +85℃ wide temperature | 0℃ ~ +60℃ standard temperature |
| Conformal Coating | Disponível, anti-corrosion & moisture-proof | Indisponível |
| Configuração de energia | Redundant power (100-240VCA/CC) | Single power (100-240VCA/CC) |
| Versão do software | Classic L2P Basic Version | Classic L2P Version 5 |
| Applicable Environment | Ar livre, extreme industrial sites, alta umidade, salt fog and dusty areas | Interior, standard computer rooms, clean industrial environments |
| Aplicação Típica | Energia eólica, photovoltaic, subestação, trânsito ferroviário, plataformas offshore | Factory automation, automação predial, centros de dados |
| Reliability Level | Alto (Redundant power + temperatura ampla + coating) | Padrão (Single power + temperatura padrão + no coating) |
- Sugestões de seleção & Resumo
- Priority of environmental adaptability
Ar livre & extreme temperature scenarios: Choose Grade U wide-temperature model with conformal coating
Indoor standard scenarios: Select Grade S standard-temperature model for lower cost
- Network topology matching
Opto-electronic hybrid network: Adopt hybrid MM&TT port model for flexible device connection
Pure fiber network: Choose full MM fiber port model to extend transmission distance and enhance anti-interference performance
- Reliability requirement
Mission-critical systems: Deploy redundant power model to avoid single-point failure
General applications: Use single power model to cut procurement cost
- Software function demand
Latest features and security patches required: Select version-numbered models such as Version 05
Basic functions sufficient: Basic version is acceptable
Conclusão Central
The essential differences lie in port layout, temperature adaptability, protection grade, power redundancy and software version. These factors determine applicable scenarios and reliability grades. Select the proper model according to actual operating environment, network topology and reliability requirements.
