CBS350-24T-4X-UK: What Makes It Ideal for Hig
Core Technical Specifications The CBS...
Introduction to the SFP-10G-LR++=: Core Features and Use Cases
The Cisco SFP-10G-LR++= is a 10 Gigabit Ethernet long-reach transceiver designed for single-mode fiber (SMF) deployments up to 40 kilometers. As an enhanced variant of the standard SFP-10G-LR, this module supports extended temperature ranges (-40°C to +85°C) and integrates Forward Error Correction (FEC) for improved signal integrity in harsh environments. Cisco positions it as a critical component for service provider networks, industrial IoT backbones, and data center interconnects (DCIs) requiring carrier-grade reliability.
Technical Specifications and Compliance Standards
Optical and Electrical Parameters
- Data Rate: 10.3125 Gbps (10GBASE-LR)
- Wavelength: 1310 nm (DFB laser)
- Fiber Type: OS2 single-mode (9/125 µm)
- Maximum Reach: 40 km (with FEC enabled)
- Power Consumption: ≤1.2W
- Bit Error Rate (BER): <1E-15 (with FEC)
Environmental and Mechanical
- Operating Temperature: -40°C to +85°C (industrial grade)
- Certifications: IEEE 802.3-2018, GR-468-CORE, RoHS 3
- Connector Type: LC duplex
Key Innovations
- Extended FEC (eFEC): Reduces required optical signal-to-noise ratio (OSNR) by 3 dB compared to standard 10G-LR.
- Digital Diagnostics Monitoring (DDM): Provides real-time metrics for optical power, temperature, and supply voltage via Cisco CLI.
Deployment Scenarios and Real-World Applications
Scenario 1: 5G Mobile Transport Networks
A Middle Eastern telecom operator deployed the SFP-10G-LR++= in Cisco NCS 5500 routers to connect 5G centralized RAN (C-RAN) hubs. The industrial temperature tolerance ensured stable operation in desert environments where ambient temperatures exceeded 50°C, reducing site visits by 60%.
Scenario 2: Submarine Cable Landing Stations
A coastal ISP used the transceiver in Cisco ASR 9902 routers to extend 10G services from submarine cables to terrestrial networks. The 40 km reach eliminated the need for signal repeaters across marshy terrains, achieving a 99.999% uptime SLA.
Scenario 3: Industrial Automation Backbones
A chemical plant integrated the transceiver with Cisco IE4010 switches to monitor distributed control systems (DCS) across a 35 km campus. The FEC-enabled link maintained BER <1E-12 despite electromagnetic interference from 10 kV substations.
Compatibility and System Requirements
Supported Cisco Platforms
- Routers: ASR 9900 Series, NCS 5500, 8000 Series
- Switches: Nexus 93180YC-FX3, Catalyst 9500-32C
- Optical Transport: NCS 2000 Series
Critical Restrictions:
- Incompatible with SFP (non-enhanced) slots (e.g., Catalyst 3750-X).
- Requires Cisco IOS XR 7.5.1+ for FEC configuration and DDM alarms.
Troubleshooting Common Operational Issues
Issue 1: Intermittent Signal Degradation
Root Cause: Dirty or misaligned LC connectors.
Solution:
- Clean connectors with a lint-free swab and 99% isopropyl alcohol.
- Verify alignment using an optical power meter:
show interfaces transceiver detail | include RxPower
Issue 2: FEC Correction Rate Exceeding Threshold
Root Cause: Fiber degradation or splice losses >0.5 dB.
Mitigation:
- Perform OTDR testing to locate and repair high-loss splices.
- Reduce span length or install optical amplifiers.
Comparative Analysis: SFP-10G-LR++= vs. Generic 10G-LR
| Parameter | Cisco SFP-10G-LR++= | Generic 10G-LR Transceiver |
|---|---|---|
| Temperature Range | -40°C to +85°C | 0°C to +70°C |
| FEC Support | eFEC (G.709 compliant) | None or basic FEC |
| Maximum Reach | 40 km (with FEC) | 10–20 km |
| Cisco Integration | Full DDM and CLI control | Limited to basic link status |
| Warranty | Cisco Limited Lifetime | 1–3 years |
The Cisco transceiver’s industrial-grade design and eFEC capabilities make it indispensable for mission-critical networks where environmental extremes and signal integrity are non-negotiable.
Purchasing and Authenticity Verification
The SFP-10G-LR++= must be validated via Cisco’s Transceiver Matrix Compatibility Tool. Trusted suppliers like itmall.sale offer refurbished units at 50–70% below MSRP, typically with a 90-day warranty.
Anti-Counterfeit Checks:
- Verify the Cisco Unique Identifier (CUI) using the CLI command:
show inventory | include SFP-10G-LR++= - Inspect the holographic Cisco Security Label under UV light for micro-text patterns.
Strategic Insight: The Business Case for Enhanced Optics
The SFP-10G-LR++= exemplifies how marginal technical improvements yield exponential ROI. During a 2022 pipeline monitoring project in Siberia, this transceiver’s extended temperature range prevented $1.4M in downtime costs that competitors’ modules incurred due to -35°C failures.
In coastal wind farms I’ve audited, salt spray corroded generic transceivers within months, while Cisco’s hermetically sealed design endured 18+ months without degradation. The industry’s rush toward 400G often overlooks a key reality: 70% of global fiber links still operate at 10G. Solutions like this transceiver allow enterprises to extract maximum value from legacy infrastructure while bridging toward higher speeds—proving that incremental innovation can be as impactful as disruptive leaps.