The DMSI 10/100/1000 Ethernet Media Converter Series offers a robust and adaptable solution for expanding Local Area Network (LAN) infrastructure, particularly in environments demanding high speed and bandwidth. These standalone ethernet media converters are designed to bridge the gap between different network segments, supporting 10, 100, and 1000Base-TX (copper) to 1000Base-FX (fiber) connections. This capability allows for the extension of conventional 10M or 100/1000M fast ethernet networks over long distances, ranging from 20km to 120km, using fiber-optical lines. The series is particularly well-suited for large-scale deployments where high performance and reliability are critical.
Key Features and Specifications:
Function Description:
The primary function of the DMSI Media Converter is to convert electrical signals from a copper-based Ethernet network (RJ-45) into optical signals for transmission over a fiber optic cable (SFP port), and vice versa. This enables the extension of Ethernet networks beyond the typical distance limitations of copper cabling, leveraging the advantages of fiber optics such as longer reach, immunity to electromagnetic interference, and higher bandwidth. The device supports various operational modes and configurations, making it versatile for different network setups.
Important Technical Specifications:
- Standard Protocol:
- IEEE 802.1q standard
- IEEE 802.1p QoS
- IEEE802.1d Spanning Tree
- IEEE802.3 1000 Base-T standard
- IEEE802.3ab standard
- Operation Mode: Full/Half duplex mode
- Connectors:
- UTP: RJ-45
- Fiber: SC/ST/FC/LC (depending on SFP module)
- RJ-45 Port: 0°C~50°C (32°F ~ 122°F)
- Bandwidth: 125Mbps
- Emission / Safety: FCC Part 15, Class A, RoHS and CE Mark
- Environmental Parameters:
- Work Temperature: 0°C~50°C (32°F ~ 122°F)
- Storage Temperature: -40°C~70°C (-40°F ~ 158°F)
- Humidity: 5%~90% non-condensing
- Cable:
- UTP Cable: Cat 5e, 6, 6A UTP or STP cable
- Single-mode: 8.3/125µm, 8.7/125µm, 9/125,µm, 10/125µm (max distance up to 20 - 120km)
- Multimode: 50/125µm, 62.5/125µm (max distance up to 2km or 5km)
- Dimensions (mm): 95mm(L) x 71.5mm(W) x25.4mm(H)
- Warranty: 3 years
- Mean Time Between Failure: 114,000 hours
- TAA Compliant: Yes
Usage Features:
- Flexible Cabling Options: Supports both UTP (Unshielded Twisted Pair) and STP (Shielded Twisted Pair) cables for copper connections, adhering to IEEE 802.3u 1000Base TX standard for Category 5. For fiber connections, it supports various multimode and single-mode fiber types with different core/cladding diameters (e.g., 62.5/125µm multimode for up to 550M, and various single-mode options for much longer distances).
- DIP Switch Configuration: The device includes a DIP switch for configuring various operational modes, including:
- Link Loss Forwarding (LLF): This feature allows the media converter to pass link fault information between the local and remote sides. If the TP link on the local side loses connection, the media converter will disconnect the link of transmit on fiber. Similarly, if the fiber link is lost, the TP link will be disconnected. This ensures that network administrators are immediately alerted to link problems.
- Cut-through (9K) / Store-and-Forward: These modes determine how the converter handles data packets. Cut-through offers lower latency by forwarding packets as soon as the destination address is read, while Store-and-Forward provides error checking by buffering the entire packet before forwarding.
- Traffic Control: Enables or disables traffic control mechanisms.
- FX Speed Selection: Allows setting the FX (fiber) speed to 100Mbps or 1000Mbps.
- LED Indicators: Provides clear visual feedback on the device's status and network activity:
- FX (Fiber Link/Activity): Indicates a good FX connection (On) or data transmission (Blink).
- TX (Copper Link/Activity): Indicates a good electrical link (On) or data transmission (Blink).
- Link/Act: Active status display for fiber link (Blink indicates packet goes through Tx end).
- FDX (Full Duplex): Indicates transceiver works in full duplex mode (On) or half duplex mode (Off).
- PWR (Power): Indicates power is on and normal.
- 100: Lit when TP speed is 100Mbps.
- 1000: Lit when FX speed is 1000Mbps.
- Easy Installation: The manual provides clear instructions for connecting the power supply, fiber optic cables, and Ethernet cables. The installation process involves turning on the power, connecting local RX to remote TX via optical fiber, connecting local TX to remote RX, and then connecting the power supply of the connected Ethernet devices.
- Flexible Fiber Port Options: DMSI recommends using high-quality, low-loss bend insensitive fiber patch cords with media converter solutions. Specific LC duplex part numbers are provided for multimode (62.5µm OM1, 50µm OM2/3) and single-mode (SM OS2) applications, allowing users to select the appropriate fiber type for their network requirements.
Maintenance Features:
- Troubleshooting Guide: The manual includes a troubleshooting section to assist users in resolving common issues. This covers:
- Power Supply Verification: Ensuring the correct power cord/adapter (48-52VDC) is used and that the power input range is not exceeded.
- Cable Selection and Length: Advising on selecting proper UTP or STP cables based on bandwidth and performance requirements, and ensuring cable lengths do not exceed 100 meters (328 feet).
- LED Indicator Diagnosis: Utilizing the LED indicators to identify problems. Solutions to common problems are referenced to the LED indicator explanation on page 8.
- Power Cord Issues: Guidance on checking for loose power connections, power losses, or surges at the power outlet if the power indicator does not light up. Users are advised to contact their local dealer for assistance if issues persist.
- Network Connectivity Check: If LED indicators are normal but cables are incorrect or packets are not transmitted, users are advised to check their system's Ethernet devices' configuration or status.
- Online Manual Access: Users can access the manual online at www.dmsimfg.com/StandAloneManual for convenient reference and support.
- Customer Support: Contact information (email and phone) for DMSI is provided for further assistance.
The DMSI 10/100/1000 Ethernet Media Converter Series is a reliable and efficient solution for extending Ethernet networks over fiber, offering robust performance, flexible configuration options, and comprehensive support for various network environments.
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