• Cisco ONS-SC-Z3-1590 1G/2.5G SFP CWDM module 1590nm LH LC silver transceiver
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Cisco

Cisco ONS-SC-Z3-1590 | 1G/2.5G SFP | OC-48/STM-16/GE CWDM | 1590nm | LH | LC

ONS-SC-Z3-1590

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Description

Multi‑rate CWDM SFP supporting OC‑48/STM‑16 and Gigabit Ethernet at the 1590 nm ITU CWDM wavelength. Delivers long‑haul single‑mode connectivity via duplex LC, with digital diagnostics (DOM) for proactive monitoring. Ideal for metro access/aggregation and transport edge where mixed SONET/SDH and Ethernet services are required.

Features

- Multi-rate operation for OC-48/STM-16 and 1G Ethernet
- CWDM 1590 nm wavelength for efficient fiber utilization
- Long-haul optics with extended reach on SMF
- DOM/DDM for real-time health and performance monitoring
- Hot-swappable SFP for rapid service turn-up and replacement

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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Technical Specifications

FAQs

Technical Specifications

- Form factor: SFP (MSA-compliant, hot-swappable)
- Data rates: 1.25 Gbps (GE) and 2.488 Gbps (OC-48/STM-16)
- Wavelength: 1590 nm (ITU CWDM grid)
- Optics: DFB transmitter, PIN/TIA receiver
- Fiber type: Single-Mode Fiber (SMF)
- Connector: Duplex LC
- Typical reach: up to 80 km on SMF (distance depends on link budget)
- Digital diagnostics (DDM/DOM): supported
- Standards: SONET OC-48, SDH STM-16, IEEE 802.3 1G
- Operating mode: Multi-rate (SONET/SDH/GE)

FAQs

Q: Can this module operate as both Gigabit Ethernet and OC-48/STM-16?
A: Yes. It is a multi-rate SFP supporting GE (1.25 Gbps) and OC-48/STM-16 (2.488 Gbps).

Q: Is this CWDM or DWDM?
A: It is a CWDM SFP tuned to the 1590 nm ITU CWDM wavelength.

Q: What fiber and connector does it use?
A: Single-mode fiber (SMF) with a duplex LC connector.

Q: Does it support DOM/DDM?
A: Yes, it provides digital optical monitoring for power and temperature.

Q: What distance can it reach?
A: Typical applications reach up to 80 km on SMF, subject to link budget and dispersion.

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