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MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH vs MAR1020-99MMMMMM9999999SGGHPHH05
- Quick Overview of Core Differences
| Article de comparaison | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 | Impact Description |
| Configuration des ports | 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 |
| Plage de température | 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 |
| Software Version | Version de base (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
Hirschmann MACH1000 series coding rule: MAR1020-99[Configuration des ports][Temperature/Coating/Power][Software Version]
2.1 Basic Identical Model Segment
– MAR1020: 24-port Fast Ethernet rugged switch of Hirschmann MACH1000 series, 19-inch rack-mounted, fanless design
– 99: Port configuration prefix, représentant 24 100Mbps ports
2.2 Port Configuration Segment (Différence clé 1)
| Segment de code | Définition | 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 Température, Coating & Power Segment (Différence clé 2-4)
| Segment de code | Plage de température | Conformal Coating | Power Type |
| UMMH | U: -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 (Différence clé 5)
| Segment de code | Software Version | Description de la fonction |
| PHH | Version de base (no version number) | Classic L2P professional Layer 2 logiciel |
| PHH05 | 05: 5th edition | Updated Classic L2P professional Layer 2 logiciel |
- Full Parameter Comparison Table| Catégorie de paramètre | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 |
| —- | —- | —- | —- |
| Type de produit | 24-port 100Mbps rugged managed switch | 24-port 100Mbps rugged managed switch |
| Total Ports | 24 (4 multi-mode fiber + 16 twisted pair) | 24 (24 multi-mode fiber, no twisted pair) |
| Type de port | FE MM-SC multi-mode fiber + FE TX RJ45 | 24×FE MM-SC multi-mode fiber |
| Température de fonctionnement | -40℃ ~ +85℃ wide temperature | 0℃ ~ +60℃ standard temperature |
| Conformal Coating | Available, anti-corrosion & moisture-proof | Unavailable |
| Power Configuration | Redundant power (100-240VCA/CC) | Single power (100-240VCA/CC) |
| Software Version | Classic L2P Basic Version | Classic L2P Version 5 |
| Applicable Environment | De plein air, extreme industrial sites, humidité élevée, salt fog and dusty areas | Intérieur, standard computer rooms, clean industrial environments |
| Application typique | Wind power, photovoltaïque, substation, transport ferroviaire, offshore platforms | Factory automation, building automation, centres de données |
| Reliability Level | Haut (Redundant power + température large + coating) | Standard (Single power + standard temperature + no coating) |
- Suggestions de sélection & Résumé
- Priority of environmental adaptability
De plein air & 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
Conclusion fondamentale
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.
