The 19CH O+C-Band DWDM Module is a passive wavelength-division multiplexing component designed to combine O-band and C-band wavelength channels within a single optical module.

19CH O+C-Band DWDM Module，19CH O+C-Band DWDM Module 8CH 200GHz O-Band + 11CH 100GHz C-Band LC PC G657A1 Fiber

2. Key Features

Test Report


	Product Name:			19CH O+C-Band DWDM Module (Mux&Demux)
	B	OP	Optical Performance		Unit	Test Data
	B	OP	Optical Performance		Unit	Mux	Demux
	1	CH	Channels			19
	2	CW	Center Wavelength ( nm)			O-Band:O284/O286/O288/O290/O292/O294/O296/O298 C-Band:C20/C21/C22/C23/C24/C25/C26/C27/C28/C29/C30
	3	GHZ	Channel Spacing			200@O-band / 100@C-band
	4	CP	Channel Passband ( nm)			±0.2@O-band / ±0.11@C-band
	4	IL	Insertion Loss ( dB)	COM→O284	≤3.6	2.52	1.17
				COM→O286		2.23	1.38
				COM→O288		2.08	1.47
				COM→O290		1.93	1.69
				COM→O292		1.77	1.86
				COM→O294		1.58	2.01
				COM→O296		1.37	2.31
				COM→O298		1.23	2.44
				COM→C20		0.82	2.78
				COM→C21		0.92	2.50
				COM→C22		1.12	2.46
				COM→C23		1.47	2.15
				COM→C24		1.64	1.97
				COM→C25		1.88	1.79
				COM→C26		1.92	1.67
				COM→C27		2.16	1.49
				COM→C28		2.50	1.24
				COM→C29		2.57	0.92
				COM→C30		2.90	0.76
	5	IS	Isolation ( dB)	Adjacent Channel	≥25	29.79	30.71
	5	IS	Isolation ( dB)	Non-adjacent Channel	≥35	37.44	40.39
	6	PDL	Polarization Dependent Loss ( dB)		≤0.2	0.07	0.06
	7	UF	Ripple ( dB)		≤0.5	0.27	0.20
	8	RL	Return Loss ( dB)		≥45	46.05	46.91
	9	DIR	Directivity ( dB)		≥50	54.98	55.79
	10	PH	Power Handling ( mW)			500
	11	FT	Fiber Type			G657A1 with 0.9mm loose tube,COM:Black, Other:White
	12	FL	Fiber length (m)			0.3
	13	OT	Operating Temperature ( ℃)			-20~+70
	14	ST	Storage Temperature ( ℃)			-40~+85
	15	PD	Package Dimension ( mm)			12012014
	16	CT	Connector Type			LC/PC

19-Channel Dual-Band Configuration
Integrates 8 O-band channels and 11 C-band channels within one WDM module.
O-Band + C-Band Operation
Operating wavelength ranges cover 1260–1360 nm and 1525–1575 nm.
Dual Channel Spacing
200 GHz spacing is specified for the O-band channels and 100 GHz for the C-band channels.
Defined Channel Passband
Passband is ±0.2 nm for O-band channels and ±0.11 nm for C-band channels.
Insertion Loss ≤3.60 dB
Specified between the common port and wavelength channels, including connectors.
High Channel Isolation
Adjacent channel isolation ≥25 dB and non-adjacent channel isolation ≥35 dB.
Low Polarization Sensitivity
PDL ≤0.2 dB and PMD ≤0.2 ps.
500 mW Optical Power Handling
Maximum specified optical power is 500 mW.
Compact Aluminum Package
Black aluminum housing with dimensions of 120 × 80 × 14 mm.

19CH O+C-Band DWDM Module，19CH O+C-Band DWDM Module 8CH 200GHz O-Band + 11CH 100GHz C-Band LC PC G657A1 Fiber

3. Applications

O-band and C-band wavelength multiplexing
Multi-wavelength optical transmission
Dual-band fiber capacity expansion
Optical wavelength routing
Fiber link consolidation
Optical transmission equipment
Multi-channel optical test systems
Custom O+C-band optical network architectures

4. FAQ

Q1: What is a 19CH O+C-Band DWDM Module?

It is a passive wavelength multiplexing and demultiplexing module that combines 8 O-band channels and 11 C-band channels in one optical device.

Q2: How many channels does the module provide?

The module provides 19 wavelength channels in total: 8 O-band channels and 11 C-band channels.

Q3: What channel spacing is used?

The O-band channels use 200 GHz spacing, while the C-band channels use 100 GHz spacing.

Q4: Can the module be used as both a MUX and DEMUX?

The wavelength-selective architecture can be applied for multiplexing or demultiplexing according to the required optical configuration.

Q5: Does the module require electrical power?

No. It is a passive optical wavelength-routing component and does not require an external power supply.

Q6: What fiber and connector are used?

The specification defines G657A1 fiber with 0.9 mm loose tube and LC/PC connectors. The common-port fiber is black, while the other fibers are white.

Q7: What are the operating and storage temperatures?

The specified operating temperature is −20°C to +70°C, and the storage temperature is −40°C to +85°C.

Q8: Does the product comply with reliability or environmental requirements?

The supplied specification states compliance with Telcordia GR-1209, GR-1221 and RoHS 2.0.

5. Technical Specifications

Parameter	Specification
Product	19CH O+C-Band DWDM Module
Channel Number	19CH: 8 O-band + 11 C-band
Operating Wavelength Range	1260–1360 nm & 1525–1575 nm
O-Band Channels	O284, O286, O288, O290, O292, O294, O296, O298
C-Band Channels	C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30
O-Band Channel Spacing	200 GHz
C-Band Channel Spacing	100 GHz
O-Band Passband	±0.2 nm
C-Band Passband	±0.11 nm
Insertion Loss, COM ↔ WDMs	≤3.60 dB
Adjacent Channel Isolation	≥25 dB
Non-Adjacent Channel Isolation	≥35 dB
Directivity	≥50 dB
Return Loss	≥45 dB
Ripple	≤0.5 dB
PDL	≤0.2 dB
PMD	≤0.2 ps
Maximum Optical Power	500 mW
Operating Temperature	−20°C to +70°C
Storage Temperature	−40°C to +85°C
Operating Humidity	5–95% RH
Fiber Type	G657A1
Fiber Protection	0.9 mm loose tube
Fiber Length	300 ± 50 mm
Connector	LC/PC
Package Size	120 × 80 × 14 mm
Package Material	Black Aluminum

The optical specifications above are stated by the supplied datasheet as including connectors.

6. Channel Configuration

Channel	Frequency	Center Wavelength
O284	228.40 THz	1312.58 nm
O286	228.60 THz	1311.43 nm
O288	228.80 THz	1310.28 nm
O290	229.00 THz	1309.14 nm
O292	229.20 THz	1308.00 nm
O294	229.40 THz	1306.85 nm
O296	229.60 THz	1305.72 nm
O298	229.80 THz	1304.58 nm
C20	192.00 THz	1561.42 nm
C21	192.10 THz	1560.61 nm
C22	192.20 THz	1559.79 nm
C23	192.30 THz	1558.98 nm
C24	192.40 THz	1558.17 nm
C25	192.50 THz	1557.36 nm
C26	192.60 THz	1556.55 nm
C27	192.70 THz	1555.75 nm
C28	192.80 THz	1554.94 nm
C29	192.90 THz	1554.13 nm
C30	193.00 THz	1553.33 nm

The channel plan and corresponding frequencies/wavelengths are shown in the module layout on page 3 of the supplied specification.

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