SFP-H25G-CU2M – 25G SFP28 DAC – 2m Passive Copper – No FEC Required
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SFP-H25G-CU2M Description
The SFP-H25G-CU2M is a Cisco 25GBASE-CR1 SFP28 passive copper cable for 25 Gigabit Ethernet links between ports about two meters apart, such as neighboring racks. The 2-meter cable has SFP28 connectors at both ends, draws up to 0.1W and operates from 0 to 70 degrees C. The cable needs no host FEC at 2 meters, and its brown pull tab marks the length.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
SFP-H25G-CU2M |
|
Product type |
25GBASE-CR1 SFP28 passive copper cable |
|
Cable assembly type |
Direct-attach copper cable assembly |
|
Connector form |
SFP28 at both cable ends |
|
Data rate |
25 Gigabit Ethernet |
|
Cable length |
2 meters |
|
Pull tab or bail latch color |
Brown |
|
Maximum power consumption |
0.1W |
|
Host FEC requirement |
No FEC required for this 2-meter copper cable |
|
Compatibility reference |
Cisco Transceiver Module Group Compatibility Matrix |
Application Scenarios
Between two neighboring racks, the cable connects a top-of-rack switch SFP28 port to a server in the next cabinet, using passive copper over a run of about 2 meters.
A Catalyst 9200L stack in a wiring closet uses the cable on its fixed 25G uplink ports to reach an aggregation switch in the next rack of the same room.
Product Comparison
|
Parameter |
SFP-H25G-CU2M |
SFP-H25G-CU2.5M | ||
|---|---|---|---|---|
|
Cable type |
25GBASE-CR1 passive copper |
25GBASE-CR1 passive copper |
25GBASE-CR1 passive copper |
25GBASE-AOC active optical |
|
Cable length |
2 meters |
1 meter |
2.5 meters |
2 meters |
|
Connector form |
SFP28 at both cable ends |
SFP28 at both cable ends |
SFP28 at both cable ends |
SFP28 at both cable ends |
|
Host FEC requirement |
No FEC required |
No FEC required |
BASE-R FEC required |
BASE-R FEC or RS-FEC required |
|
Maximum power consumption |
0.1W |
0.1W |
0.1W |
1W |
|
Pull tab or bail latch color |
Brown |
Beige |
Yellow |
Brown |
SFP-H25G-CU2M is a 2-meter passive copper SFP28 cable that needs no host FEC, as does SFP-H25G-CU1M, so a run that fits within 1 meter can use SFP-H25G-CU1M. The next step up is SFP-H25G-CU2.5M, which adds half a meter but requires BASE-R FEC on the host port, so it suits only a host that can enable that setting. Where the 2-meter link must be optical, SFP-25G-AOC2M keeps the same length but draws 1W against 0.1W and requires BASE-R FEC or RS-FEC on the host port.
Ordering Checklist
- C1300X hosts: Confirm the switch is a C1300X with SFP28 ports, such as C1300X-24T-4X, C1300X-48P-4X or C1300X-10NU-2X. The cable is listed for the C1300X SFP28 ports, where 25G is available for stacking only and uplinks run at 10G.
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | SFP-H25G-CU2M | Product type | 25GBASE-CR1 SFP28 passive copper cable |
| Cisco ordering description | 25GBASE-CR1 SFP28 Passive Copper Cable, 2-meter | Cable assembly type | Direct-attach copper cable assembly |
| Connector form | SFP28 at both cable ends | Data rate | 25 Gigabit Ethernet |
| Cable length | 2 meters | Media class | Passive copper DAC |
| Pull tab or bail latch color | Brown | Maximum power consumption | 0.1W |
| Host FEC requirement | No FEC required for this 2-meter copper cable | FCoE support condition | Supported with appropriate host software support |
| Operating temperature class | Commercial | Operating temperature | 0 to 70°C |
| Storage temperature | -40 to 85°C | Standards references | SFF-8402, SFF-8472, IEEE 802.3, IEEE P802.3by |
| Catalyst 9200L support example | C9200L Multigigabit Ethernet 25G uplink notes list SFP-H25G-CU2M among supported cables | Catalyst 9300 support example | Catalyst 9300 25G uplink network module notes list SFP-H25G-CU2M among supported PIDs |
| UCS 6600 support example | Cisco lists SFP-H25G-CU2M as a 25GBASE-CU SFP28 2-meter cable for UCS 6600 unified ports | Compatibility reference | Cisco Transceiver Module Group Compatibility Matrix |
| Official support boundary | Verify the exact host and software release in Cisco compatibility documentation |
Get More Information
Need pricing, stock, or shipping details for the SFP-H25G-CU2M ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email [email protected] for a fast quotation.
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Customer Reviews
Questions & Answers
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What storage temperature range applies to SFP-H25G-CU2M?
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Can SFP-H25G-CU2M carry FCoE traffic at 25 Gigabit Ethernet?
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Which standards does SFP-H25G-CU2M reference?
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Does SFP-H25G-CU2M need FEC configured on the host port?
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Asked about lead times. They were upfront and set accurate expectations.
Packaging was neat and labeled clearly with our PO number.
Pleased with the purchase overall. Wish the lead time was a bit shorter, but product quality made up for it.
Hmm. Good cable. sturdy. Winds are howling… but the data flows fast.
Quick shipping. The cables are flexible enough for our cable management arms.