SPECIFICATIONS
Cable End Connector A	OSFP(FTL)	Cable End Connector B	OSFP(FTL)
Jumper Type	Direct-Attach	Data Rate	800G
Aggregate Bit Rate	800Gbps	Lane Bit Rate	100Gbps
Number of Channels	8	Single Channel Rate	100G
Minimum Bend Radius	5X Cable OD -Single, 10X Cable OD - Repeated	Factory Brand	PHILISUN
Attenuation	26AWG:10dB/8.5m maximum 28AWG:10dB/7m maximum 30AWG:8.4dB/5.5m maximum	Bit Error Rate	≤10-12
Shield	Braid/Foil	Wire AWG	26AWG/28AWG/30AWG
Cable Type	Passive Twinax	Cable OD	30AWG: 6.9mm 28AWG: 7.9mm 26AWG:11.4mm
Cable Colour/Material	Black PVC(OFNR)	Cable Length Selection	0.5-3 meter
Protocols	OSFP MSA/CMIS Rev 5.0/EIA 364-1000/IEEE 802.3cK	Application Scenarios	800Gigabit Ethernet (800GbE)
Supply Voltage	3.3V	Power Dissipation	<0.1W
Operating Temperature	0 to 70℃ (32 to 158℉)	Storage Temperature	-40 to 85℃ (-40 to 185℉)

PRODUCT PRESENTATION

The PHILISUN 800G OSFP to OSFP Passive Direct Attach Copper Twinax Cable (DAC) provides the highest bandwidth, Power-Efficient solution for next-generation 800GbE links. The Flat Top design ensures optimal thermal performance in High-Density environments. This Passive Copper cable is essential for achieving Ultra-Low Latency and zero power consumption over short runs. Fully compliant with OSFP MSA, CMIS Rev5.0, and the foundational IEEE 802.3ck standard, it is the most Cost-Effective option for supporting direct Switch to Switch communication and massive data throughput from Switch to GPU systems in AI Clusters and the Data Center.

DAC SERIES PRODUCTS

PRODUCTION & TESTING EQUIPMENT

PERFORMANCE PARAMETER

Absolute Maximum Ratings
Parameter	Symbol	Min.	Max.	Unit	Notes
Storage Temperature	Ts	-40	85	℃	–
Operating Case Temperature	Tcase	0	70	℃	–
Power Supply Voltage	VCC	3.135	3.465	V	–
Relative Humidity	RH	–	85	%	Power loss: 0.5W max .

Electrical Performance Requirements
Test Items	Test Condition	Specification
Current	–	0.5A per contact
Voltage	–	30 vDC per contact
LLCR	EIA 364-23, 20mVdc, 100mA	less than 2 ohms
Continuity	Verify the continuous electrical path	No open, short, or high resistance.

SI Requirements (only Reference)
Test Items	Specification	Notes
SDD2 1 & SDD12	( please reference only ,when the length is more than 1.5m ) ≤19.75 dB Min. @26.56 GHz; ≥ 11.0 dB max. @26.56GHz;	From 0.01 GHz to 26.56GHz
ER L	Minimum cable assembly ERL(*) : ≥ 8.25dB	–
SCD 1 2 – S DD 2 2 SCD 2 1 – S DD 2 1	≥ 10 0.05GHz≤f<12.89GHz ≥ 14-0.3108f 12.89GHz≤f≤40GHz	Up to 40GHz

Mechanical Performance Requirements
Item	Test Condition	Specification
Mating Forces	A rate of 10mm per minute	OSFP< 4 0 N
Un-mating Forces	A rate of 10mm per minute	OSFP< 3 0 N
Latch Strength	Pull to separate module from cage， Test with connector, cage & module (latch engaged)	Minimum of an 125N force
Bulk Cable R etention in Module	Pull to separate bulk cable from module,Test with cable assembly only	Minimum of an 90N force
Wire Flex	Flex cable 180 ° for 10 cycles atX/Y axis, 20 times/ minutes, with an 1 kg suspended weight. Type C E IA 364-41, test condition I.	No microsecond discontinuities are allowed.
Durability	Perform 50 unplug/ plug cycles	No evidence of physical damage
Cable Minimum Bend Radius	Min. bending radius allowed : repeated 10X ø . single 5X ø	1. No physical damage 2. Verify continuity and SI

Pin Definition

OSFP pin definitions as OSFP MSA defined

Wire Connction

Pair No.	P1		P2
	Pin	Signal	Pin	Signal
1	28	RX1n	58	TX1n
	29	RX1p	59	TX1p
2	59	TX1p	29	RX1p
	58	TX1n	28	RX1n
3	33	RX2n	3	TX2n
	32	RX2p	2	TX2p
4	2	TX2p	32	RX2p
	3	TX2n	33	RX2n
5	25	RX3n	55	TX3n
	26	RX3p	56	TX3p
6	56	TX3p	26	RX3p
	55	TX3n	25	RX3n
7	36	RX4n	6	TX4n
	35	RX4p	5	TX4p
8	5	TX4p	35	RX4p
	6	TX4n	36	RX4n
9	22	RX5n	52	TX5n
	23	RX5p	53	TX5p
10	53	TX5p	23	RX5p
	52	TX5n	22	RX5n
11	39	RX6n	9	TX6n
	38	RX6p	8	TX6 p
12	8	TX6p	38	RX6p
	9	TX6n	39	RX6n
13	19	RX7n	49	TX7n
	20	RX7p	50	TX7p
14	50	TX7p	20	RX7p
	49	TX7n	19	RX7n
15	42	RX8n	12	TX8n
	41	RX8p	11	TX8p
16	11	TX8p	41	RX8p
	12	TX8n	42	RX8n