SFP-25G-AOC5M – 25G SFP28 AOC – 5m Length – Active Optical Cable

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SFP-25G-AOC5M Description

The SFP-25G-AOC5M is a Cisco 25GBASE-AOC SFP28 active optical cable for 25G Ethernet links of up to 5 m between SFP28 ports. The cable is a fixed 5 m assembly with a gray pull tab, 1W maximum power consumption and commercial 0 to 70°C operation. Host ports must run BASE-R FEC or RS-FEC, and Catalyst CW9800H2 controllers have no 25G port to take it.

Quick Specs

Parameter

Specification

Product ID

SFP-25G-AOC5M

Product type

25GBASE-AOC SFP28 active optical cable assembly

Cable assembly type

Active optical cable assembly

Interface role

SFP28 to SFP28 25G cable

Data rate

25 Gigabit Ethernet

Cable length

5 meters

Pull tab color

Gray

Maximum power consumption

1W

Host FEC requirement

BASE-R FEC or RS-FEC on host ports

Operating temperature class

Commercial 0 to 70°C

Compatibility reference

Cisco Transceiver Module Group Compatibility Matrix

Application Scenarios

Dense Rack Cable Runs

In a crowded rack where a 4 m cable runs out of room after vertical routing, the 5 m assembly still joins two SFP28 ports as one pre-terminated optical cable.

C9200L And CW9800 25G Ports

A Catalyst C9200L multigigabit switch or a CW9800H1 or CW9800M controller uses the cable on its 25G SFP28 ports to reach the adjacent switch or server.

Product Comparison

Parameter

SFP-25G-AOC5M

SFP-25G-AOC4M

SFP-H25G-CU5M

Product type

25GBASE-AOC SFP28 active optical cable

25GBASE-AOC SFP28 active optical cable

25GBASE-CR1 SFP28 passive copper cable

Cable length

5 meters

4 meters

5 meters

Host FEC requirement

BASE-R FEC or RS-FEC

BASE-R FEC or RS-FEC

RS-FEC

Maximum power consumption

1W

1W

0.1W

SFP-25G-AOC5M is the 5 m active optical cable of this group, 1 m longer than SFP-25G-AOC4M, which keeps the same SFP28 ends, 25 Gigabit Ethernet rate, 1W maximum power and BASE-R FEC or RS-FEC host requirement on a 4 m run. Paths of 4 m or less can use SFP-25G-AOC4M, and longer paths move to SFP-25G-AOC7M. SFP-H25G-CU5M has the same 5 m length but is a passive copper cable drawing 0.1W instead of 1W, and its host port must run RS-FEC. Where the link must stay optical, SFP-25G-AOC5M is the 5 m option.

Ordering Checklist

  • Catalyst CW9800 hosts: Confirm the controller is a Catalyst CW9800H1 or CW9800M, using its 25G SFP28 uplink ports. The SFP-25G-AOC series (1, 2, 3, 5, 7 and 10 m) is listed for these two controllers; CW9800H2 uplinks are 1/10G SFP+ and 40G QSFP+ with no 25G port.

Specifications

Parameter Specification Parameter Specification
Product ID SFP-25G-AOC5M Product type 25GBASE-AOC SFP28 active optical cable assembly
Cisco ordering description 25GBASE-AOC SFP28 Active Optical Cable, 5-meter Cable assembly type Active optical cable assembly
Interface role SFP28 to SFP28 25G cable Data rate 25 Gigabit Ethernet
Cable length 5 meters Pull tab color Gray
Maximum power consumption 1W Host FEC requirement BASE-R FEC or RS-FEC on host ports
FEC standard reference IEEE 802.3by Clause 110 for RS-FEC in Cisco FEC guidance FCoE support Supported with appropriate host software support
Operating temperature class Commercial Operating temperature 0 to 70°C
Storage temperature -40 to 85°C Catalyst 9200 support example Cisco IOS XE Gibraltar 16.11.x release notes list SFP-25G-AOC5M for C9200L multigigabit Ethernet models with 25 Gigabit uplinks
CW9800M support example Cisco lists SFP-25G-AOC5M in the supported SFP28 table for the Catalyst CW9800M Wireless Controller UCS 6600 support example Cisco UCS 6600 Series documentation lists SFP-25G-AOC5M as a 25GBASE active optical SFP28 cable
Standards references SFF-8402, SFF-8472, IEEE 802.3, IEEE P802.3by Official compatibility boundary Cisco host support must be verified per platform and software release

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    Keith Baker
    Posted on 30/01/2026
    Verified Buyer
    5.0

    Our CFO noticed the savings compared to our previous vendor.

    Terry Jimenez
    Posted on 23/12/2025
    Verified Buyer
    5.0

    Replaced our old equipment seamlessly during off-hours.

    Henrik Wood
    Posted on 12/12/2025
    Verified Buyer
    5.0

    We tested with a small order six months ago. Now they handle all our purchases.

    Urdnot Wrex
    Posted on 02/08/2024
    Verified Buyer
    5.0

    Strong cables. Good for heavy duty use. Shipping was fast.

    Mordin Solus
    Posted on 10/05/2024
    Verified Buyer
    5.0

    Had to be precise. 5 meters exactly. It works. Very efficient.

Questions & Answers

  • What storage temperature range applies to SFP-25G-AOC5M?

    SFP-25G-AOC5M can be stored from -40 to 85°C. Operation is rated separately at 0 to 70°C, so let a cable kept in a cold or hot area return to that range before you install it.
  • Can SFP-25G-AOC5M carry FCoE traffic at 25 Gigabit Ethernet?

    Yes, FCoE is supported on SFP-25G-AOC5M when the host software supports it. The cable provides the 25 Gigabit Ethernet link only. FCoE itself is enabled on the switch or adapter at each end, not on the cable.
  • Which standards does SFP-25G-AOC5M reference?

    SFP-25G-AOC5M references SFF-8402, SFF-8472, IEEE 802.3 and IEEE P802.3by. Its RS-FEC option follows IEEE 802.3by Clause 110, per Cisco FEC guidance. Select RS-FEC on both host ports if the platform supports it.
  • Which FEC modes does SFP-25G-AOC5M accept on its ports?

    SFP-25G-AOC5M accepts BASE-R FEC or RS-FEC on the SFP28 ports. Both ends of the 5 m link must run one of the two modes for the link to come up, so set the same FEC mode on each port before turn-up.

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DataSheet Downloads

  • SFP-25G-AOC5M Datasheet