The GLOBALfiber 18-Channel CWDM Mux/Demux 19? 1RU module offers a high-capacity, cost-effective solution for expanding fiber network bandwidth through CWDM (Coarse Wavelength Division Multiplexing). With 18 wavelength channels (1270?nm–1610?nm, 20?nm spacing) and an integrated monitor port, this passive optical module is ideal for demanding metro, data-center, cloud and carrier networks where fiber resources are limited.
Built using high-precision Thin Film Filter (TFF) technologies, it features ultra-low insertion loss, high isolation, and rugged design for reliable operation in splice trays, 19? racks and field enclosures. The 1RU steel housing and integrated monitoring port enable proactive fiber link supervision, reducing downtime and maintenance effort.
Key Features
• 18 CWDM channels, ITU grid 1270–1610?nm (20?nm spacing)
• Ultra-low insertion loss: Regular = 5.4?dB (link = 6.2?dB) – Skip-0 versions = 3.0?dB / 4.0?dB.
• Channel isolation: Adjacent = 30?dB, Non-adjacent = 45?dB
• Return loss = 45?dB, Directivity = 45?dB
• Polarization dependent loss (PDL) = 0.3?dB, Polarization mode dispersion (PMD) = 0.1?ps
• Operating temperature: –40?°C to +85?°C
• Compact 19? 1RU form-factor, LC connectors, with integrated monitor port for link status and troubleshooting
Technical Specifications
• Channel spacing: 20?nm (ITU CWDM grid)
• Wavelength range: 1270 nm–1610 nm
• Passband width: ±6.5?nm
• Insertion Loss (module): = 5.4?dB, Link: = 6.2?dB (Skip-0 version = 3.0?dB / =4.0?dB)
• Channel isolation (Adjacent): = 30?dB, (Non-Adjacent): = 45?dB
• Return Loss: = 45?dB
• Directivity: = 45?dB
• PDL: = 0.3?dB
• PMD: = 0.1?ps
• Operating temperature: –40?°C to +85?°C
• Storage temperature: –40?°C to +85?°C
• Weight: Approx. 3.5?kg
• Package dimensions: Height 44?mm × Width 440?mm × Depth 230?mm
Applications
• Metro and access fiber networks
• Data centre and cloud service interconnects
• Long-haul fiber capacity expansion with existing singlemode fiber (SMF-28e)
• Environments with limited fiber count where channel multiplexing is critical