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Technical resources

Original optics, documented by reference.

Buying guides, technical notes and manufacturer-reference resources for professional optical links.

Editorial scope

SFP through QSFP-DD · original manufacturer references · selection boundaries · procurement context

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Buying guides

How to choose a 10G SFP by distance, fiber and equipment

A practical method for selecting a 10G SFP+ without confusing distance, fiber type, optical standard and manufacturer support.

September 5, 2026

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Datasheets

10G SFP+ LR: multi-vendor references for single-mode fiber

A 10GBASE-LR guide for single-mode fiber covering reach, link checks and Cisco, Meraki, Juniper, Aruba and other vendor references.

September 5, 2026

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Buying guides

SFP+ 10G: a multi-vendor guide to choosing the right module

Choose a 10G SFP+ module by fiber, distance and host equipment, with key Cisco, Meraki, Juniper, Aruba and Fortinet references.

September 5, 2026

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Datasheets

10G SFP+ SR: multi-vendor references and fiber selection

Understand 10GBASE-SR and find SR references from Cisco, Meraki, Juniper, Aruba, Fortinet, Palo Alto, Extreme and WatchGuard.

September 5, 2026

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Comparisons

10G SFP+ part numbers by vendor: Cisco, Meraki, Juniper, Aruba and more

Quickly identify key SR and LR manufacturer part numbers before validating support for the exact host equipment.

September 5, 2026

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Datasheets

FortiAP 231F: Data Sheet

FortiAP-231F data sheet: indoor 2×2 WiFi 6 AP, 1775 Mbps, FortiGate integration with no additional license.

April 15, 2026

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Datasheets

QSFP-100G-SR4: Data Sheet

QSFP-100G-SR4 data sheet: multimode 100G module for spine-leaf architectures, 4×25G breakout, MPO cables.

April 15, 2026

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Datasheets

Aruba AP-635 Wi-Fi 6E: Data Sheet

HPE Aruba AP-635 WiFi 6E data sheet: tri-band 6 GHz, 3.9 Gbps, 2.5G mGig, Aruba Central management, pricing excluding VAT.

April 15, 2026

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Datasheets

Aruba CX 6200: PoE Access Switch

Aruba CX 6200 data sheet: AOS-CX campus switch, PoE+/Class 6, Aruba Central management, and comparison with Cisco C9200.

April 15, 2026

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Datasheets

HPE Aruba CX 6300: Data Sheet

Aruba CX 6300 data sheet: stackable switch with 10-member VSF, 25G/100G uplinks, Class 6 PoE, and an alternative to the C9300.

April 15, 2026

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Datasheets

Palo Alto PA-3400: Data Sheet

Palo Alto PA-3400 data sheet: NGFW for mid-sized enterprises and data centers, 10-28 Gbps, FPGA acceleration, Panorama, and Cortex.

April 15, 2026

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Datasheets

Palo Alto PA-460: Specifications

Palo Alto PA-460 specifications: 6.5 Gbps NGFW, 3.6 Gbps SSL decryption, Panorama, and mid-sized enterprise deployments.

April 15, 2026