Cisco SFP-10G-BXU-I Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco 10GBASE-BX BiDi Upstream Industrial Temperature SFP+ Single-Mode Optical Transceiver Module with Digital Optical Monitoring Support
SKU:SFP-10G-BXU-I
Naming Breakdown
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SFP+: Enhanced Small Form-Factor Pluggable Plus hot-swappable transceiver form factor
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10G: 10 Gigabit serial data rate class
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BX: Bidirectional single-fiber WDM transmission
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U: Upstream; transmits 1270 nm, receives 1330 nm
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I: Industrial operating temperature grade (-40°C ~ +85°C)
Core Product Positioning
The Cisco SFP-10G-BXU-I is a hot‑swappable industrial-grade BiDi SFP+ transceiver that enables full-duplex 10G transmission overone single strand of single-mode fibervia wavelength division multiplexing technology. This upstream modulemust be paired with SFP-10G-BXD-I (Downstream)to build a valid point-to-point link. Optimized for outdoor equipment cabinets, mobile base station fronthaul, industrial networking and remote edge sites with extreme temperature fluctuations. Built-in DOM/DDM supports continuous real-time monitoring of optical operating parameters. The module supports both 10 Gigabit Ethernet and CPRI transport rates for mobile backhaul/fronthaul applications.
2. Hardware & Software Compatibility
Supported Host Platforms
Cisco Catalyst 3650, 3850, 4500-X, 6500, 6800, 9200, 9300 Series; Nexus 3000, 9000 Series Switches; ASR 1000, ASR 900 Series Routers; NCS 540 / NCS 5500; UCS Fabric Interconnects; Firepower appliances equipped with SFP+ ports.
Supported IOS / IOS XE / NX-OS Versions
All mainstream Cisco operating system releases supporting SFP+ MSA specification and SFF‑8472 DOM diagnostic functions.
Supported Fiber Type
Single‑Mode Fiber (SMF) G.652 (9/125μm) only; incompatible with multimode fiber.
Connector Reminder
Simplex LC optical connector. BiDi modules cannot interoperate with standard duplex LC transceivers.
Critical Note: Link failure occurs if mismatched BiDi partners are deployed. Always deploy SFP-10G-BXU-I paired with SFP-10G-BXD-I.
3. Physical & Optical Performance Specifications
Form Factor
Hot‑swappable SFP+, compliant with SFF‑8431, SFF‑8432 & SFF‑8472 (DOM support)
Optical Interface
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Transmit Wavelength: 1270 nm DFB Laser
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Receive Wavelength: 1330 nm
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Connector: Simplex LC
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Supported Data Rates: 9.95 Gbps ~ 10.3125 Gbps (10GBASE-BX), CPRI Option 3 / 4 /5 /6 /7 /7a /8
Maximum Transmission Reach
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Standard G.652 Single-Mode Fiber: Up to10 km
Optical Power Budget
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Transmit Optical Power: -8.2 dBm ~ +0.5 dBm
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Receiver Sensitivity: Minimum -14.4 dBm
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Maximum Allowable Received Power: 0.5 dBm
Digital Diagnostics
DOM / DDM (Digital Diagnostic Monitoring) Supported
Monitors module internal temperature, supply voltage, laser bias current, transmit optical power and receive optical power.
Environmental Operating Parameters (Industrial Grade)
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Operating Temperature:-40°C ~ +85°C (-40°F ~ 185°F)
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Storage Temperature: -40°C ~ +85°C (-40°F ~ 185°F)
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Relative Humidity: 5% – 95%, non‑condensing
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Maximum operating altitude: 3,000 meters
Typical Power Consumption
4. Supported Functional Capabilities
Ethernet Transport
Wire-speed 10 Gigabit Ethernet full-duplex transmission, 64b/66b line coding
Layer 2 Protocol Support
802.1Q VLAN trunking, 802.3x pause frame flow control, LACP, STP/RSTP/MSTP, EtherChannel link aggregation
Additional Supported Protocols
CPRI mobile fronthaul transport
Interface Diagnostics
Link status detection, error counters, DOM real-time optical telemetry, local loopback testing
High Availability
OIR online insertion and removal on supported chassis; link redundancy via spanning tree or port channels
Operations & Management
IOS / NX-OS CLI, SSH, SNMP v2c/v3, Syslog logging
5. Typical Deployment Scenarios
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Mobile base station fronthaul CPRI transport with limited single-mode fiber resources
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Remote industrial networking and outdoor equipment cabinet interconnections
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Edge and carrier point-to-point links constrained by insufficient fiber cores
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Enterprise inter-building connections to maximize utilization of existing single-strand fiber infrastructure
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Low-density metropolitan WAN access circuits within 10 km transmission distance
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Spare replacement transceiver for Cisco carrier, industrial and enterprise edge switching/routing platforms
6. Regulatory & Compliance Certifications
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Safety Standards: UL 60950‑1, IEC/EN 60950‑1, CSA C22.2 No.60950‑1
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EMC Compliance: CE Mark, FCC Part 15 Class A, ICES‑003 Class A
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Laser Safety: Class 1 Laser Product per IEC 60825‑1
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Industry Standards: IEEE 802.3ae, SFP+ MSA SFF‑8431, SFF‑8472
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Environmental: RoHS compliant, WEEE directive compliant
7. Standard Factory Package Contents
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Cisco SFP-10G-BXU-I Industrial Temperature BiDi SFP+ Optical Transceiver
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Hardware installation guide
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Safety and regulatory documentation
Note: Simplex LC single-mode fiber patch cables are sold separately. Remote end must deploy matched SFP-10G-BXD-I.
End-of-Sale Status
Cisco SFP-10G-BXU-I remains active and available for new orders.
Model Comparison Reference
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SFP-10G-BXU-I: Industrial grade, Upstream 1270nm-TX/1330nm-RX
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SFP-10G-BXD-I: Industrial grade, Downstream 1330nm-TX/1270nm-RX (required matching partner)
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SFP-10G-BXU: Commercial temperature variant (0°C ~ +70°C)
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SFP-10G-BX40U-I: 40 km industrial BiDi upstream variant
UNSPSC Classification Code
43222618 – Cisco SFP-10G-BXU-I industrial-temperature single-fiber BiDi SFP+ transceiver with DOM, hot‑swappable 10 Gigabit optical module for industrial, carrier edge and mobile transport networks.
Hardware Warranty
Original Cisco units carry Cisco limited hardware warranty; refurbished units follow respective reseller warranty terms.
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