Cisco · QSFP28 · 100G

QSFP-100G-PSM4-S=

100G PSM4 QSFP28 transceiver, 1310 nm, single-mode, MPO-12 APC

Genuine Cisco
New, factory sealed

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Tax invoiceIssued by Rabash Technologies Pte. Ltd., Singapore

QSFP-100G-PSM4-S= at a glance

100G PSM4 QSFP28 transceiver
1310 nm over single-mode fibre (SMF)
Reach: 500 m on SMF
Connector: MPO-12 APC
Digital optical monitoring (DOM) for light levels and temperature
Commercial temperature rating (typically 0 to 70 °C)
Genuine Cisco part, new, factory sealed

Specifications

Part number	QSFP-100G-PSM4-S=
Brand	Cisco
Standard	100G PSM4
Form factor	QSFP28
Data rate	100 Gb/s
Wavelength	1310 nm
Media	Single-mode fibre (SMF)
Reach	500 m on SMF
Connector	MPO-12 APC
Digital optical monitoring	Supported
Temperature range	Commercial (COM)
Condition	New, factory sealed

Description

A parallel single-mode 100G QSFP28 module. It transmits four 25G lanes at around 1310 nm over four fibres and receives on four others, using a 12-fibre MPO connector, with a reach of 500 m on G.652 single-mode fibre. Cisco specifies that APC-polished (angled) MPO patch cords are required, so standard UPC trunks and cassettes are not suitable and can cause high return loss. The parallel layout makes it useful where a trunk cable is already installed and where breaking out a 100G port into four 25G single-mode links is wanted. Typical placements are data-centre spine and leaf links within a few hundred metres. Maximum power draw is 3.5 W over the commercial 0 to 70 degC range. Check host platform and software release in the Cisco optics compatibility matrix before ordering.

Typical uses

Campus links between buildings over single-mode fibre
Data-centre interconnects between halls or floors
Aggregation and core uplinks where multimode reach is not enough

Before you order

Confirm your switch or router model and software release support the QSFP-100G-PSM4-S=
Use single-mode (OS2) fibre and check the link budget for the full span
Parallel optics need MPO/MTP trunk or breakout cabling with the right polarity
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FAQ

What is the reach of the QSFP-100G-PSM4-S=?

500 m on SMF.

What fibre does the QSFP-100G-PSM4-S= use?

It runs over single-mode fibre (SMF) with a MPO-12 APC connector at 1310 nm.

Is the QSFP-100G-PSM4-S= genuine and what condition is it?

It is a genuine Cisco part, new, factory sealed, sold by an independent reseller and invoiced by Rabash Technologies Pte. Ltd., Singapore.

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Related part numbers

JL309A 100GBASE-SR4 · 850 nm · 100 m on OM4 · 70 m on OM3 Price on request JL310A 100GBASE-LR4 · 1295 nm · 10 km on SMF Price on request JL743A 100GBASE-ER4L · 1295 nm · 40 km on SMF (requires FEC) Price on request

Product guides & buying advice

DAC vs AOC vs optics: choosing for short linksWhen a direct-attach cable, an active optical cable or a pair of optics fits best.Read guide →How to read a Cisco part number, and what the = meansThe parts of a Cisco optic part number, the common suffixes and why the = matters.Read guide →Refurbished vs new hardwareCompare condition, accessories, inspection evidence and seller coverage before ordering.Read guide →

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