QSFP-4SFP25G-CU1M
Cisco 100G QSFP to 4xSFP25G Passive Copper Splitter Cable, 1-meter
The Cisco QSFP-4SFP25G-CU1M breaks out 100Gbps QSFP28 ports to four 25Gbps SFP28 ports over 1 meter passive copper cable.
QSFP-4SFP25G-CU1M Overview
The QSFP-4SFP25G-CU1M provides 1 meter length passive copper cable assemblies for 100 Gigabit Ethernet connectivity for very short reaches within racks and across adjacent racks. The cable breaks out the four lanes between QSFP28 and SFP28 connectors, allowing 100Gbps QSFP ports to connect to four 25Gbps SFP ports.
It complies with the IEEE 802.3bm CAUI-4 standard supporting links up to 1 meter over passive copper cable with QSFP28 to SFP28 connectors. This cable is suitable for switch-to-switch and switch-to-server connections.
The individual SFP28 connector modules are compliant with SFF-8654 specifications. The cable assemblies have been tested to meet the IEEE requirement for 1m direct attach copper twin-axial cables. It should only be used to connect 100Gb QSFP ports to four 25Gb SFP ports for 100GBASE-CR4 and 25GBASE-CR CAUI-4 applications.
Key Features
- 1 meter passive copper cable
- Breaks out 100Gbps QSFP28 port to four 25Gbps SFP28 ports
- Compliant with IEEE 802.3bm CAUI-4 up to 1 meter
- Supports switch-to-switch and switch-to-server connections
- SFP28 connectors comply with SFF-8654
- Tested for IEEE 1m direct attach copper twin-axial cable specs
QSFP-4SFP25G-CU1M Compatibility
- Cisco switches and routers with QSFP28 and SFP28 ports
- Servers with QSFP28 and SFP28 ports
Specifications
| Specification | Description |
|---|---|
| Standard | IEEE 802.3bm CAUI-4 |
| Connectors | QSFP28, SFP28 |
| Cable Length | 1 meter |
| Cable Type | Passive Copper |
Installation
Follow standard practices for installing and handling direct attach copper cables. Avoid excessive bending or twisting of the cable. Connect to QSFP28 port on one end and split into four SFP28 ports on the other end.
Ordering Information
Product Number: QSFP-4SFP25G-CU1M
Brand
Cisco Systems
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