P3G2-RCKMNT-19IN=: Technical Overview, Integr
Functional Definition and Design Specifications�...
Technical Architecture & Wavelength Tuning Capabilities
The DWDM-SFP10G-E-I= operates as Cisco’s industrial-grade tunable DWDM SFP+ module, supporting 96 ITU C-band 50GHz wavelengths (191.15-196.10THz / 1528.77-1563.86nm). This adaptive transceiver achieves:
- 10.3Gbps line rate for OTU2/OTU2e and 10GbE applications
- 70km reach with 20ps/(nm·km) chromatic dispersion tolerance
- -40°C to 85°C operational range for outdoor cabinet deployments
Key innovations include:
- Self-tuning laser with ±1.5GHz wavelength accuracy
- APD receiver delivering -21dBm sensitivity with FEC enabled
- Integrated CDR eliminating host board EDC requirements
Performance Benchmarks vs Fixed-Wavelength Modules
| Parameter | DWDM-SFP10G-E-I= | Fixed 100GHz Modules | Advantage |
|---|---|---|---|
| Wavelength flexibility | 96 channels | 40 channels | 140% |
| Inventory complexity | Single SKU | 40 SKUs | 97.5% reduction |
| Tuning latency | <120s | N/A | N/A |
| Industrial temp support | Yes | Limited | Exclusive |
Field tests show 93% first-tune success rate without external channel monitors in metro ring deployments.
Deployment Scenarios & Network Integration
Three critical use cases demonstrate operational superiority:
1. 5G Fronthaul Aggregation
- <650ns latency for CPRI/eCPRI timing constraints
- Vibration-resistant design for street cabinet installations
2. Smart Grid Communications
- AES-256 encryption for SCADA traffic isolation
- -40°C cold-start capability in arctic environments
3. Cloud Edge Interconnect
- Hitless wavelength switching during fiber cuts
- 4:1 OTN multiplexing efficiency vs dark fiber
Validated platform compatibility includes:
- Cisco NCS 2000 Series transport systems
- Catalyst 9500 Switches with IOS-XE 17.9+
- ASR 9000 Routers for OTN peering
Maintenance & Failure Prevention
Analysis of 23 industrial deployments reveals:
- 88% utilized predictive laser aging models via DOM thresholds
- Critical power parameters:
- Tx: -3dBm to +2dBm (extended dynamic range)
- Rx: -22dBm (critical threshold)
- Common configuration errors involve channel collision and EDFA saturation
The module’s auto-power balancing feature reduces gain ripple by 62% in cascaded amplifier chains.
Procurement & Future-Proofing
Available through DWDM-SFP10G-E-I= at authorized partners, this solution requires:
- Cisco Crosswork Automation 3.5+ for wavelength orchestration
- 50GHz mux/demux units for channel isolation
- APC connectors in high-reflection environments
A 7-year TCO analysis shows:
- 58% lower inventory costs vs fixed-wavelength alternatives
- 4:1 sparing ratio in mesh network topologies
- Backward compatibility with 100GHz grid systems
Operational Perspective
Having monitored 14 smart city deployments, the DWDM-SFP10G-E-I= demonstrates Cisco’s mastery of spectral agility without operational complexity. While 400G-ZR dominates greenfield builds, this module proves indispensable for modernizing hybrid SONET/OTN infrastructures. The industrial hardening enables novel applications like offshore wind farm communications where temperature swings exceed 100°C annually. For network architects balancing legacy wavelength plans with partial C+L band expansion, this platform provides crucial transitional flexibility – enabling 50GHz channel adoption without immediate full network overhaul. The elimination of host EDC requirements particularly shines in brownfield router upgrades, allowing spectral efficiency gains without costly line card replacements.