30-1475-03 Cisco SFP Mini-GBIC Transceiver Module

Cisco 30-1475-03 SFP Mini-GBIC Transceiver Module

Understanding the Cisco 30-1475-03 SFP Transceiver

The Cisco 30-1475-03 is a high-performance 1000BASE-T SFP (Small Form-factor Pluggable) transceiver module designed for Gigabit Ethernet networks. This copper-based transceiver operates over standard Category 5 unshielded twisted-pair (UTP) cabling and supports the extended temperature range required for industrial and challenging environments. As part of Cisco's comprehensive networking solutions, this module provides reliable connectivity for enterprise networks, data centers, and service provider applications.

Key Specifications

Physical Interface and Connector Type

The Cisco 30-1475-03 features an RJ-45 connector interface, making it compatible with standard Ethernet cabling infrastructure. The module complies with the SFP Multi-Source Agreement (MSA) specifications, ensuring mechanical compatibility with a wide range of networking equipment. The compact SFP form factor allows for high port density, enabling network administrators to maximize switch capacity while maintaining flexibility in connectivity options.

Data Rate and Performance Characteristics

This transceiver module supports data rates of 10/100/1000 Mbps, providing automatic speed negotiation capabilities. It operates at full duplex with 1000Mbps capability and half-duplex with 10/100Mbps capability. The module features a maximum distance of 100 meters over Category 5 UTP cable, making it suitable for most enterprise networking scenarios requiring copper connectivity.

Power Requirements and Consumption

The Cisco 30-1475-03 SFP transceiver operates with a single 3.3V power supply and features low power consumption, typically drawing less than 1.05 watts during operation. This efficient power usage contributes to reduced overall energy costs in large-scale deployments and helps minimize heat generation within networking equipment chassis.

Signal Integrity and EMI Performance

This transceiver module employs advanced signal processing techniques to maintain signal integrity over extended cable runs. It features built-in electromagnetic interference (EMI) protection and complies with relevant electromagnetic compatibility (EMC) standards, ensuring stable operation in electrically noisy environments commonly found in industrial settings.

Protocol and Standards Compliance

Industry Standards Support

The Cisco 30-1475-03 complies with multiple industry standards including IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX, and IEEE 802.3i 10BASE-T specifications. It also adheres to SFF-8472 for diagnostic monitoring interface and RoHS compliance for environmental safety. This comprehensive standards support ensures interoperability and regulatory compliance across global markets.

Auto-Negotiation and Auto-MDIX Capabilities

This SFP transceiver features automatic negotiation for speed and duplex mode detection, simplifying network configuration and reducing installation time. Additionally, it supports Auto-MDIX (Automatic Medium-Dependent Interface Crossover), eliminating the need for crossover cables and allowing direct connection between similar devices without manual configuration.

Chassis and Module Integration

When installed in compatible Cisco equipment, the transceiver is automatically detected and can be managed through Cisco IOS, IOS-XE, or NX-OS operating systems. The module supports digital optical monitoring (DOM) capabilities, allowing network administrators to monitor real-time operating parameters such as temperature, voltage, and transceiver performance through standard management interfaces.

Cabling Requirements and Recommendations

For optimal performance with the Cisco 30-1475-03, use high-quality Category 5e or Category 6 cabling that meets TIA/EIA-568-B standards. Ensure cable terminations are properly crimped and avoid sharp bends or excessive tension on installed cables. The maximum supported distance of 100 meters assumes proper cable installation and termination practices.

Bit Error Rate Specifications

The Cisco 30-1475-03 SFP transceiver delivers exceptional signal quality with a Bit Error Rate (BER) better than 10⁻¹², ensuring reliable data transmission for critical applications. This high-performance standard minimizes retransmissions and maintains optimal throughput even in electrically noisy environments.

Temperature and Humidity Ranges

Beyond the extended operating temperature range of -5°C to 85°C, the transceiver is designed to withstand storage temperatures from -40°C to 85°C. It operates reliably at relative humidity levels from 5% to 85% non-condensing, making it suitable for deployment in various climatic conditions without compromising performance or reliability.

Data Center Connectivity

In data center environments, the Cisco 30-1475-03 provides flexible connectivity options for server-to-switch connections, top-of-rack switching, and inter-rack connectivity where fiber optic solutions may be impractical or cost-prohibitive. The extended temperature capability ensures reliability in densely populated equipment racks where heat buildup can be significant.