راهنمای جامع فایروالهای صنعتی و تقسیمبندی شبکه OT
فایروالهای صنعتی نقش حیاتی در امنیت سایبری OT ایفا میکنند و از شبکههای PLC، DCS و SCADA از طریق بخشبندی، کنترل ورود/خروج و ادغام IDS/IPS مطابق با اصول IEC 62443 محافظت میکنند.



The Siemens 6GK1503-2CB00 is a PROFIBUS OLM/G11 V4.0 optical link module designed to provide reliable communication within industrial automation networks. This module integrates one RS485 electrical interface with a single glass fiber optic cable interface, featuring two BFOC sockets for flexible and efficient data transmission over extended distances. It ensures stable connectivity and precise signal transfer, making it suitable for demanding industrial environments.
The 6GK1503-2CB00 supports a wide range of PROFIBUS transfer rates, from 9.6 kbit/s to 12 Mbit/s, and also includes support for 45.45 kbit/s for PROFIBUS PA applications. This versatility allows for seamless integration into existing PROFIBUS networks while maintaining high data integrity. For enhanced operational reliability, the module incorporates a signaling contact and a dedicated test port for straightforward monitoring and maintenance.
Operating with a rated supply voltage of 24 V DC and an operational range from 18.8 to 28.8 V DC, the Siemens 6GK1503-2CB00 is engineered for reliable function under varying power conditions. It also features a built-in fuse at the power supply input, providing protection against potential electrical faults and contributing to increased system safety and longevity. With its robust performance and compact design, the module facilitates dependable optical communication in harsh industrial settings.
| Model Number | 6GK1503-2CB00 |
| Module Type | Optical Link Module |
| Manufacturer | Siemens |
| Product Status | Active |
| Country of Origin | GERMANY |
| System Compatibility | PLC |
| Communication Protocol | PROFIBUS |
| Communication Service | Ethernet router |
| Supported Transfer Rates | 9.6 kbit/s to 12 Mbit/s (PROFIBUS), 45.45 kbit/s (PROFIBUS PA) |
| Electrical Interface | 1 x RS485 |
| Optical Interface | 1 x Glass Fiber Optic, 2 x BFOC sockets |
| Rated Supply Voltage | 24 V DC |
| Operational Voltage Range | 18.8 to 28.8 V DC |
| Protection | Built-in fuse at power supply input |
| Unit Weight | 0.34 kg |
| Shipping Weight | 0.95 kg |
| Package Dimensions (Calculated) | 2.5 cm x 5.1 cm x 83.8 cm |
| HS CODE | 8537101190 |
| Minimum Order Quantity (MOQ) | 1 |
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