Cisco 40GBASE Active Optical Cable (AOC) 1m, QSFP+ to QSFP+, Point-to-Point 40G Link for Cisco Switches
Brand:
Cisco
Cisco 40GBASE Active Optical Cable (AOC) 1m, QSFP+ to QSFP+, Point-to-Point 40G Link for Cisco Switches
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QSFP-H40G-AOC1M=
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Cisco 40GBASE QSFP+ Active Optical Cable — 1m
40G AOC1m fixed lengthQSFP+ ↔ QSFP+Cisco original
The Cisco 40GBASE Active Optical Cable (1m) is a ready-made 40G link: two QSFP+ transceivers permanently joined by optical fibre, for connecting two Cisco switches, routers or servers inside a rack or to an adjacent rack.
Plug one end into a 40G QSFP+ port on each device and the link comes up — no separate optics to buy, no fibre patch cords to clean and no polarity to get wrong. It is thinner and lighter than a copper direct-attach cable, which helps when many links share the same cable manager.
Before you order: Cisco-coded original part. Check your exact device model and software release in the Cisco TMG compatibility matrix before ordering — or send us the model and we will check it for you.
What's in the Box
- 1 × Cisco 40GBASE active optical cable, 1m, with a QSFP+ transceiver fixed on each end
- Pull tab colour: beige · cable jacket: orange PVC
What It Means in Practice
- One cable = one 40G port-to-port link. It replaces two 40G optics plus a fibre patch cord on short runs.
- The length is fixed at 1m. Measure the real path through the cable managers, not the straight-line distance.
- The optics are sealed inside the cable ends, so there are no exposed fibre end-faces to contaminate.
- Pull-tab colours identify the length, which makes tracing links in a busy rack easier.
What Will Not Work
- It is a straight point-to-point cable — no breakout to several lower-speed ports.
- It cannot be cut, extended or re-terminated; for a longer or variable run use separate optics with structured fibre.
- It will not fit SFP+/SFP28 ports or 100G-only QSFP28 ports that do not accept 40G QSFP+.
- Third-party (non-Cisco) hosts may reject or warn about Cisco-coded optics; this cable is intended for Cisco devices.
Key Features
Plug-and-play 40G
Transceivers and fibre are one assembly — no optics pairing, no patch cords, no polarity mistakes.
Light and flexible
Much less bulk than copper DAC, so airflow at the switch front stays clear.
Cisco original
Genuine Cisco spare (part number ending in =) for the Cisco platforms listed for it in the TMG matrix.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight · Buyer's Guide
For short 40G runs between Cisco devices, an AOC is the tidiest choice: one part number, nothing to clean and far less bulk than copper. Choose the length from the real cable path. If you are planning the switching layer as well, see our switches.
✓ Buy it if you need a fixed 40G link of about 1m between Cisco devices listed for this cable.
✕ Skip it if you need breakout, a longer run through patch panels, or a non-Cisco host that refuses Cisco optics.
→ Also consider The same Cisco AOC in other lengths, or separate QSFP+ optics with structured fibre for longer runs.
Not sure your device accepts it? Send us the model and software version and we will check the Cisco compatibility matrix before you order.
Features - Cisco - QSFP-H40G-AOC1M=
Length
1.0m
Port Speed
- 40 Gbps
More Details
Product Code
6778B04
EAN Code
0882658608742
Manufacturer
Cisco