Are your optical modules compatible with Cisco, Huawei, Arista, and Juniper?

Yes. All HYTOPTODEVICE optical modules are 100% compatible with major brands including Cisco, Huawei, Arista, and Juniper switches and routers, with no configuration changes required.

Are your modules new or refurbished?

All HYTOPTODEVICE modules are brand new, original manufactured products. We do not sell refurbished or used optical modules.

Do your optical modules support DDM/DOM monitoring?

Yes. Our optical modules support Digital Diagnostic Monitoring (DDM/DOM), allowing real-time monitoring of temperature, voltage, current, TX power, and RX power.

What is your warranty policy?

HYTOPTODEVICE provides a standard warranty on all optical modules. Please contact our sales team for specific warranty terms and conditions.

Do you ship internationally from Shenzhen, China?

Yes. We ship worldwide from our facility in Shenzhen, China. International shipping is available for all orders including bulk and OEM orders.

Cisco C56 DWDM‑SFP‑3268‑100 Compatible 1.25G DWDM Pluggable Transceiver | 1000BASE-DWDM 1532.68nm 100km 100GHz | HYTOPTODEVICE

Shop premium Cisco C56 1.25G DWDM pluggable transceiver compatible with DWDM-SFP-3268-100. Standard 1532.68nm 100GHz ITU grid, 100km long-haul single-mode transmission. MSA-certified hot-pluggable optical transceiver for bulk procurement, telecom DWDM expansion and enterprise network upgrade projects.

CHANEL	Cisco Compatible P/N	CHANEL	Cisco Compatible P/N
CH30	DWDM‑SFP‑5333‑100	CH46	DWDM‑SFP‑4056‑100
CH31	DWDM‑SFP‑5252‑100	CH47	DWDM‑SFP‑3977‑100
CH32	DWDM‑SFP‑5172‑100	CH48	DWDM‑SFP‑3898‑100
CH33	DWDM‑SFP‑5092‑100	CH49	DWDM‑SFP‑3819‑100
CH34	DWDM‑SFP‑5012‑100	CH50	DWDM‑SFP‑3740‑100
CH35	DWDM‑SFP‑4932‑100	CH51	DWDM‑SFP‑3661‑100
CH36	DWDM‑SFP‑4851‑100	CH52	DWDM‑SFP‑3582‑100
CH37	DWDM‑SFP‑4772‑100	CH53	DWDM‑SFP‑3504‑100
CH38	DWDM‑SFP‑4692‑100	CH54	DWDM‑SFP‑3425‑100
CH39	DWDM‑SFP‑4612‑100	CH55	DWDM‑SFP‑3347‑100
CH40	DWDM‑SFP‑4532‑100	CH56	DWDM‑SFP‑3268‑100
CH41	DWDM‑SFP‑4453‑100	CH57	DWDM‑SFP‑3190‑100
CH42	DWDM‑SFP‑4373‑100	CH58	DWDM‑SFP‑3112‑100
CH43	DWDM‑SFP‑4294‑100	CH59	DWDM‑SFP‑3033‑100
CH44	DWDM‑SFP‑4214‑100	CH60	DWDM‑SFP‑2955‑100
CH45	DWDM‑SFP‑4135‑100	CH61	DWDM‑SFP‑2877‑100

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Description

Cisco C56 DWDM‑SFP‑3268‑100 Compatible 1.25G DWDM Pluggable Transceiver | 1000BASE-DWDM 1532.68nm 100km 100GHz | HYTOPTODEVICE

Product Overview

HYTOPTODEVICE C56 1.25G DWDM pluggable transceiver serves as a full plug-and-play replacement for Cisco DWDM-SFP-3268-100. Tuned to 1532.68nm on the 100GHz ITU-T grid, this 1000BASE-DWDM pluggable transceiver delivers stable, error-free 100km single-mode transmission. It is a reliable, cost-effective solution for bulk procurement, metro DWDM wavelength expansion, telecom backbone upgrades and enterprise aging module batch replacement.

Equipped with high-precision TEC wavelength locking and high-sensitivity APD receiver, this carrier-grade pluggable transceiver eliminates crosstalk in dense DWDM multiplexing environments. Ultra-low power consumption supports 24/7 stable IDC operation and cuts operational costs. Pre-flashed EEPROM enables alarm-free hot-swap deployment, while built-in DDM supports real-time operating status monitoring. Every C56 module undergoes strict calibration and 72-hour aging testing to ensure consistent batch quality for wholesale and engineering procurement projects.

Key Technical Specifications

Cisco Compatible	DWDM-SFP-3268-100	Vendor Name	HYTOPTODEVICE
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1532.68nm	Max Distance	100KM
Connector	Duplex LC	Transmitter Type	DWDM DFB (Cooled)
Cable Type	SMF	Receiver Type	APD
TX Power	0~+5dBm	Receiver Sensitivity	< -32.0dBm
Power Consumption	≤2W	Receiver Overload	-9.0dBm
Protocols	SFP MSA, SFF-8472	Operation Temperature	0 to 70°C (32 to 158°F)

Usage Guidelines & Best Practices

Fiber & Connector: Use OS2 single-mode fiber with LC-UPC connectors only (LC-APC strictly prohibited). Match transceiver wavelength with your DWDM ITU channel.
Optical Attenuation (Crucial): Never direct-connect! Since Tx reaches up to +5 dBm, install a 15–20 dB inline attenuator at the Rx port during lab/short-link testing to keep input power below -9 dBm and prevent receiver burnout.
Architecture: Built with a Cooled DFB (TEC) transmitter and a APD receiver (sensitivity ~ -32dBm,32 dB link budget).
Thermal Management: Operating temp: 0°C to 70°C. Proper airflow is essential for TEC wavelength locking to prevent link drops.
Handling: Supports hot-swapping via bail latch. Always clean LC fiber end-faces before connection.

Full Compatibility List & Supported Network Hardware

1. Supported Hardware & Firmware

This C56 DWDM transceiver module runs with zero alarms and full firmware adaptation on the following Cisco hardware platforms:

Cisco Catalyst 2960 / 3560 / 3750 / 3850 / 9200 / 9300 Series Switches
Cisco ISR 1900 / 2900 / 3900 Series Integrated Service Routers
Cisco ASR 1000 Series Aggregation Service Routers
Cisco ONS 15454 / 15310 Optical Transport Platforms
Cisco ME 3400 / 3600 / 3800 Metro Ethernet Switches

2. Multi-Brand Cross Compatibility

This DWDM transceiver module complies with MSA standards and passes full interoperability tests. It runs stably on mainstream multi-brand network devices with no packet loss or link flapping.

Huawei AR / CE / S Series Switches & Routers
H3C S / ER / MSR Series Network Devices
Juniper EX / MX Series Routing & Switching Platforms
ZTE, MikroTik, TP-Link Enterprise-Grade Network Equipment

3. Free Value-Added Services

We offer exclusive free value-added services for all C56 DWDM transceiver modules to reduce your project deployment and maintenance costs.

Free custom EEPROM programming for special and legacy network environments
Lifelong free firmware refitting and version upgrade
Free pre-sales link budget calculation and loss evaluation
Free batch testing report and product qualification documents

Primary Application Scenarios

100km long-haul metro DWDM network construction and fiber capacity expansion
Telecom base station backhaul and long-distance gigabit optical transmission
Cross-city private network interconnection for enterprises and operators
Multi-service signal aggregation with 100GHz DWDM MUX/DEMUX devices
Smart city and industrial long-distance optical link deployment
Existing DWDM network wavelength expansion and old module replacement

Connectivity Solutions(Applications)

1.Direct Cabling DWDM Solution

Pair this DWDM transceiver module with 100GHz MUX/DEMUX to aggregate multiple services on one fiber pair. It saves fiber resources and simplifies wiring for metro DWDM deployment.

2. 100km Long-Haul DWDM Solution

Match the transceiver module with EDFA amplifiers to compensate fiber attenuation, stabilize optical signals and eliminate long-distance distortion, ensuring reliable 100km backbone transmission.

The Core Feature

1. Low-Power Data Center Efficient Connectivity

This DWDM transceiver module consumes less than 2W power, reducing equipment heat and energy loss. It supports stable, energy-efficient long-distance interconnection for data centers and metro backbone networks.

HYTOPTODEVICE low power DWDM transceiver module, energy efficient data center network connectivity

2.Verified Host Interoperability for Cisco Devices

Pre-programmed firmware ensures full multi-brand compatibility. Hot-swap plug-and-play design realizes zero-alarm and zero-configuration deployment without link conflicts.

3.Rigorous Testing, Uncompromising Reliability

Every transceiver module undergoes strict factory calibration, wavelength inspection, crosstalk test and 72-hour aging screening. Rigorous testing guarantees stable batch performance for bulk projects.

HYTOPTODEVICE full tested carrier grade transceiver module, high stability long haul optical equipment

FAQ

Q1: What customization options are available for C56 DWDM pluggable transceiver bulk orders?

A: We provide full personalized customization for C56 DWDM pluggable transceiver bulk procurement, including exclusive EEPROM programming, private protocol adaptation and optical parameter fine-tuning. Customized pluggable transceiver solutions perfectly fit non-standard industrial devices and personalized network project construction demands of enterprise buyers.

Q2: What makes the C56 pluggable transceiver ideal for large-scale network procurement?

A: This C56 DWDM pluggable transceiver complies with unified MSA international industrial standards, featuring standardized dimensions, pin definitions and stable optical indicators. Reliable cross-device compatibility, complete certification documents and consistent batch quality greatly reduce procurement risks, on-site debugging costs and after-sales pressure for bulk buyers.

Q3: How to verify the long-term stability of deployed C56 pluggable transceivers?

A: After deploying bulk-purchased C56 pluggable transceivers, users can conduct comprehensive quality verification via long-duration bandwidth pressure testing, real-time optical power fluctuation monitoring and full-cycle error code detection, ensuring full compliance with project acceptance and 24/7 operation standards.

Q4: How to extend the service life of bulk deployed DWDM pluggable transceivers?

A: The C56 pluggable transceiver features built-in laser anti-damage protection to prevent sudden failures from accidental fiber disconnection. Avoiding prolonged no-load laser operation and following standardized operational specifications effectively slows component aging and protects bulk procurement assets.

Q5: What environmental conditions ensure optimal C56 pluggable transceiver performance?

A: The C56 DWDM pluggable transceiver operates stably within 0°C–70°C. Long-term overheating, high humidity and dusty environments will trigger wavelength drift and signal jitter. Maintaining clean, constant-temperature equipment rooms guarantees stable performance for batch-deployed pluggable transceivers.

Q6: What operational advantages does this pluggable transceiver offer for IDC batch deployment?

A: Adopting industrial dust-proof and anti-static design plus ultra-low power consumption, this C56 pluggable transceiver supports 24/7 uninterrupted IDC operation. Stable transmission performance and low operational loss effectively reduce comprehensive procurement, operation and maintenance costs for large-scale long-term network projects.

Q7: Can C56 pluggable transceiver DDM monitoring data support project acceptance?

A: Every batch of C56 pluggable transceivers undergoes strict factory calibration and aging tests before delivery. Highly accurate real-time DDM data covering optical power, operating temperature and voltage can serve as valid official credentials for project debugging, daily inspection and formal procurement acceptance.

Q8: Does frequent live hot-swap affect C56 pluggable transceiver performance or warranty?

A: Built with standard MSA hot-swappable architecture, the C56 pluggable transceiver supports safe live network plug-and-play. Standard hot-swap operations will not damage core components or void the after-sales warranty, enabling zero-downtime network maintenance for batch engineering projects.

Q9: What is the correct operation method for replacing C56 pluggable transceivers?

A: When replacing the C56 pluggable transceiver, pull the latch horizontally and steadily. Avoid twisting, tilting or forced pulling to prevent pin deformation and optical port scratches, protecting hardware integrity and reducing batch project maintenance costs.

Q10: What maintenance cycle is recommended for long-haul 100km DWDM pluggable transceivers?

A: For batch-deployed C56 long-haul DWDM pluggable transceivers, professional optical port cleaning and routine maintenance every 3–6 months is recommended. Regular upkeep sustains stable transmission quality and safeguards buyers’ long-term procurement investment.

Q11: Why is pre-deployment connector cleaning critical for pluggable transceiver projects?

A: Long-distance 100km DWDM transmission is extremely sensitive to minor optical loss. Tiny dust and stains on connector end faces cause signal attenuation and crosstalk. Strict pre-deployment cleaning eliminates hidden risks and stabilizes the entire pluggable transceiver system.

Q12: How to avoid intermittent faults of standby pluggable transceivers in batch projects?

A: Always keep dust protective caps installed on idle C56 pluggable transceivers in batch procurement projects. Exposed optical ports easily absorb airborne dust, leading to poor optical coupling and intermittent activation faults, effectively reducing project maintenance workload and failure rates.

Why Network Engineers Choose HYTOPTODEVICE

HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.

Up to 70% cost savings vs OEM, transparent pricing & flexible bulk rates, supported quality returns
100% real-device compatible with Cisco, Huawei,Dell,Juniper, and Arista
ISO 9001:2015 Shenzhen factory, full lineup: 1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T transceivers
Ample stock, fast global DHL/FedEx shipping in 3–5 working days
Free pre-sales engineering support for custom EEPROM & private label firmware
Real switch test videos available for pre-purchase review; inspection & shipping videos provided per order

“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia

Quality Certification & Compliance

At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, our processes ensure global compliance and reliability.

We adhere to rigorous standards for our SFP modules and network solutions:

ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.