Ascent Communication Technology

10G SFP+ Passive Copper Twinax Cable

The SFPP-AT-DAC-XXX passive cable assemblies are high performance, cost effective I/O solutions for 10G Ethernet applications. SFP+ copper modules allow hardware manufactures to achieve high port density, configurability and utilization at a very low cast and reduced power budget. The high- speed cable assemblies meet and exceed Gigabit Ethernet industry standard requirements for performance and reliability. SFP+ Copper Twinax cable suitable for short distances. The SFP+ direct attach twinax cable assembly supports Ethernet and other industrial standards. Suitable for networking, storage, and telecom industries. Used in applications such as data center cabling infrastructure, SAN, NAS, other storage servers.

· Up to 10. 3125 Gbps data rate

· Up to 7 meter transmission

· Hot-pluggable SFP 20PIN footprint

· Improved Pluggable Form Factor(IPF) compliant for enhanced EMI/EMC performance

· Compatible to SFF-8402 and SFF-8432

· Temperature Range: 0 to 70°C

· RoHS Compatible

High Speed Characteristics

Parameter	Symbol	Min	Typical	Max	Unit	Note
Differential Impedance	TDR	90	100	110	%
Insertion Loss	SDD21	-17.04			V
Differential Return Loss	SDD11 SDD22	1	10.5	See 1 See 2	dB dB	At 0.05 to 4.1 GHz At 4.1 to 11.1 GHz
Differential to Common-Mode Return Loss	SDD11 SDD22			-10	dB	At 0.2 to 11.1 GHz
Common-Mode to Common-Mode Output Return Loss	SDD11 SDD22		-3		dB	At 0.01 to 11.1 GHz

Notes:
1. Reflection Coefficient given by equation SDD11(dB) < -12 + 2 × SQRT(f ), with f in GHz.
2. Reflection Coefficient given by equation SDD11(dB) < -6.3 + 13 × log10(f/5.5), with f in GHz.