コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH vs MAR1020-99MMMMMM9999999SGGHPHH05
- Quick Overview of Core Differences
| 比較項目 | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 | Impact Description |
| ポート構成 | Hybrid ports: Combination of MM multimode fiber and TT twisted pair | Pure fiber ports: 6 groups of MM multimode fiber, no twisted pair port | 接続メディアを決定します. The first model fits optoelectronic hybrid networks, while the second suits pure fiber networks |
| 温度範囲 | 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 |
| ソフトウェアバージョン | 基本バージョン (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
ハーシュマン MACH1000 series coding rule: MAR1020-99[ポート構成][Temperature/Coating/Power][ソフトウェアバージョン]
2.1 Basic Identical Model Segment
– MAR1020: 24-port Fast Ethernet rugged switch of Hirschmann MACH1000 series, 19-inch rack-mounted, ファンレス設計
– 99: Port configuration prefix, 代表する 24 100Mbps ports
2.2 Port Configuration Segment (主な違い 1)
| コードセグメント | 意味 | 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 温度, Coating & Power Segment (主な違い 2-4)
| コードセグメント | 温度範囲 | Conformal Coating | パワータイプ |
| UMMH | U: -40℃ ~ +85℃ wide temperature | M: Equipped with conformal coating | MH: Redundant power supply (100-240VAC/DC) |
| SGGH | S: 0℃ ~ +60℃ standard temperature | G: Without conformal coating | GH: Single power supply (100-240VAC/DC) |
2.4 Software Version Segment (主な違い 5)
| コードセグメント | ソフトウェアバージョン | 機能の説明 |
| PHH | 基本バージョン (no version number) | Classic L2P professional Layer 2 software |
| PHH05 | 05: 5th edition | Updated Classic L2P professional Layer 2 software |
- Full Parameter Comparison Table| パラメータのカテゴリ | MAR1020-99MMMMTTTTTTTTTTTTTTUMMHPHH | MAR1020-99MMMMMM9999999SGGHPHH05 |
| —- | —- | —- | —- |
| 製品タイプ | 24-port 100Mbps rugged managed switch | 24-port 100Mbps rugged managed switch |
| 合計ポート数 | 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 |
| 動作温度 | -40℃ ~ +85℃ wide temperature | 0℃ ~ +60℃ standard temperature |
| Conformal Coating | 利用可能, anti-corrosion & moisture-proof | 利用不可 |
| Power Configuration | Redundant power (100-240VAC/DC) | Single power (100-240VAC/DC) |
| ソフトウェアバージョン | Classic L2P Basic Version | Classic L2P Version 5 |
| Applicable Environment | アウトドア, extreme industrial sites, 高湿度, salt fog and dusty areas | 屋内, standard computer rooms, clean industrial environments |
| 代表的な用途 | 風力, photovoltaic, substation, 鉄道輸送, offshore platforms | Factory automation, ビルディングオートメーション, データセンター |
| Reliability Level | 高い (Redundant power + 幅広い温度 + coating) | 標準 (Single power + 標準温度 + no coating) |
- 選択の提案 & まとめ
- Priority of environmental adaptability
アウトドア & 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
一般的なアプリケーション: 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
核となる結論
The essential differences lie in port layout, 温度適応性, 保護等級, 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.
