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Cisco

Cisco DWDM-XENPAK-56-55-40K | 10G DWDM XENPAK | 10GBASE-ER | 1556.55 nm | 40 km | LC Duplex | DOM

SKU:DWDM-XENPAK-56-55-40K

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Description

Carrier-class 10G DWDM XENPAK transceiver for extended-reach single-mode networks. Fixed 1556.55 nm wavelength on the ITU-T C-band DWDM grid (100 GHz spacing) and compliant with IEEE 802.3ae 10GBASE-ER. Up to 40 km reach via duplex LC interface with DOM for precise optical diagnostics. Designed for integration with DWDM mux/demux or OADMs when channels are matched.

Features

- 10G DWDM ER up to 40 km on SMF
- Fixed 1556.55 nm wavelength (100 GHz grid)
- LC duplex interface; hot-swappable XENPAK
- Standards-based interoperability
- DOM-enabled monitoring

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Do I need the same wavelength on both ends?
A: Yes. Both ends must use the same fixed DWDM channel/wavelength.

Q: Is this suitable for dark fiber without a mux/demux?
A: Yes, it can run point-to-point on SMF; DWDM is beneficial when multiplexing multiple channels on the same fiber.

Q: What connectors are required?
A: LC-LC duplex single-mode patch cords are required.

Q: Can it interoperate with other vendors’ DWDM ER XENPAK optics?
A: Yes, when wavelengths, standards, and form factors are matched.

Q: Does it support DOM for troubleshooting?
A: Yes, DOM is supported for power, temperature, and diagnostics.

Technical Specifications

- Form factor: XENPAK (hot-swappable)
- Throughput: 10G Ethernet
- Standard: 10GBASE-ER DWDM (IEEE 802.3ae)
- Wavelength: 1556.55 nm (DWDM C-band, 100 GHz ITU grid)
- Maximum reach: up to 40 km over SMF
- Connector type: Duplex LC
- Fiber: Single-mode (OS1/OS2)
- Digital diagnostics (DOM/DDM): Supported
- Compliance: XENPAK MSA
- Use cases: DWDM mux/demux, OADM, metro/aggregation links

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