Coarse Wavelength Division Multiplexing (CWDM)
Coarse Wavelength Division Multiplexing (CWDM) Based on thin-film filters technology and epoxy-free optical patch. It has single or multi window. The devices are designed and manufactured to meet Telcordia GR-1209-CORE requirements and RoHS compliant.
Applications
Line Monitoring
Bi-Directional Systems
WDMSystems CATV system
Features
Low Excess Loss
Wide Pass Band
High Reliability
Ordering Information
SCWDM- - - - - - - -
| Config. | Ports | First Channel | Fiber Type | Pigtail Dia. | Pigtail Length | Package | Connector Type |
| M=Mux | 0102=1COM, 2Out | 270(1)=1270(1)nm | E=SMF-28e | 09=0.9mm | 05=50cm | A6 | FU(A)=FC/UPC(APC) |
| D=Demux | 0204=2COM, 4Out | 290(1)=1290(1)NM | B=SMF-28e XB | 20=2mm | 10=100cm | B2(3) | SU(A)=SC/UPC(APC) |
| MD=M&D |
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| / | 30=3mm |
| C2(3, 4) |
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| 0118=1COM, 18Out | 590(1)=1590(1)nm |
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| 20=200cm | D(1, 2, 3, 4) | LU(A)=LC/UPC(APC) |
| 0218=2COM, 18Out | 610(1)=1610(1)nm |
| X=Customization |
Package and Mounting Dimension (mm)
| Stainless Steel Tube (A) | Plastic Box (B) | Aluminum alloy Box (C) | Aluminum alloy Rack (D) |
| Outline | Outline | Outline | Mounting | Outline | Mounting | Outline |
| A1=Φ3X50 | A5=Φ5.5X34 | B1=90X20X9.5 | 50X12X2Φ3.2 | C1=85X18X8.4 | 44.5X13X2Φ3 | D1=129X29X160(LGX) |
| A2=Φ3X54 | A6=Φ5.5X38 | B2=100X80X10 | 70X73.5X4Φ3.2 | C2=90X72X8 | 86X68X4Φ3 | D2=129X58X160(LGX) |
| A3=Φ3X60 | A7=Φ5.5X50 | B3=120X80X18 | 80X74.5X4Φ3.2 | C3=110X95X7.5 | 99X84X4Φ3.5 | D3=485X43.5X230(19' Rack) |
| A4=Φ5X70 | A8=Φ5.5X64 | B4=141X115X18 | 100X106X4Φ3.2 | C4=110X95X15 | 99X84X4Φ3.5 | D4=485X87X230(19' Rack) |
| Item | M/D | M&D |
| X(CWDM Channel)+1(1310±50/EXP) | 1 | 2 | 4 | 8 | 8+1 | 16 | 18 | 1 | 2 | 4 | 8 | 8+1 | 16 | 18 |
| Bare Fiber/φ0.9 Stainless | A6 | / | / | / | / | / | / | / | / | / | / | / | / | / |
| Φ0.9(φ2, φ3) Plastic Box | B1 | B2 | B2 | B2 | B2 | B3 | B3 | B2 | B2 | B2 | B3 | B3 | B4 | B4 |
| Φ0.9(φ2/φ3) Aluminum Alloy Box | C1 | C2 | C2 | C3 | C3 | C3 | C3 | C2 | C2 | C3 | C4 | C4 | / | / |
| LGX | D1 | D1 | D1 | D1 | D2 | D2 | D2 | D1 | D1 | D2 | D2 | D2 | D2 | 4U |
| 19 Inches Rack | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 | D3 |
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Specification
| Operating Wavelength(nm) | ITU-T Grid | Parameter | Unit | Value |
| Channel Space(nm) | 20 | Fiber Type | / | SMF-28e/ SMF-28e XB |
| Channel Number | 1 | 2 | 4 | 8 | 8+1 | 16 | 18 | Directivity | dB | >40 |
| Passband@0.5dB | >14.0 | Return Loss | dB | >40 |
| Passband Flatness | <0.50 | Pigtail Dia. | mm | 0.25/0.9 / 2 / 3 |
| Max IL(In->TX@λPB) | 0.8 | 1.4 | 2.0 | 3.0 | 3.4 | 4.8 | 6.0 | Pigtail Length | Cm | >50 |
| Max IL(In->Express@λother) | 0.6 | 1.8 | 2.4 | 3.4 | 3.8 | 5.4 | / | Power Handing | MW | <500 |
| Isolation(Adjacent) | >30 | Operating Tem. | ºC | -20~ +70 |
| Isolation(Non-Adjacent) | >45 | Storage Tem. | ºC | -40~ +85 |
| Insertion Loss Temperature Sensitivity (dB/ºC) | <0.005 | / |
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| Wavelength Temperature Shifting(nm/ºC) | <0.002 |
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| PDL (Max) | 0.1 | 0.1 | 0.15 | 0.2 | 0.2 | 0.25 | 0.3 |
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