Ascent Communication Technology

100G CFP LR4 10 km

Ascent’s 100G CFP LR4 Optical Transceiver is the optical transceiver module which is a hot pluggable form factor designed for high speed optical networking application.

• Compliant with 100GBASE-LR4 and 4I1-9D1F

• Support line rates from 103.125 Gbps to 111.81 Gbps

• Integrated LAN WDM EML TOSA / ROSA for up to 10 km reach over SMF

• CAUI (10x10G) Electrical Interface and 4-lane 25.78/27.95Gb/s optical interface

• Duplex LC optical receptacle

• MDIO Interface for module management

• Single 3.3 V power supply

• Case operating temperature range:0 °C to 70 °C

• Power dissipation < 9W

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Storage Temperature	Ts	‑40	‑	85	°C
Relative Humidity	RH	5	‑	95	%
Power Supply Voltage	VCC	‑0.3	‑	4	V
Signal Input Voltage		Vcc‑0.3	‑	Vcc+0.3	V
Receive Input Optical Power (Damage Threshold)	Pdmg			5.5	dBm

Low Speed Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Supply Currents and Voltages
Voltage	Vcc	3.2	3.3	3.4	V	With Respect to GND
Supply Current	Icc			2.7	A
Power Dissipation	Pwr			9.0	W
Power Dissipation (Low Power Mode)	Plp			2.0	W
Low Speed Control and Sense Signals, 3.3 V LVCMOS
Outputs Low Voltage	V_OL	‑0.3		0.2	V
Output High Voltage	V_OH	Vcc‑0.2		Vcc+0.3	V
Input Low Voltage	V_IL	‑0.3		0.8	V
Input High Voltage	V_IH	2		Vcc+ 0.3	V
Input Leakage Current	I_IN	‑10		10	μA
Low Speed Control and Sense Signals, 1.2 V LVCMOS
Outputs Low Voltage	V_OL	‑0.3		0.2	V
Output High Voltage	V_OH	1.0		1.5	V
Input Low Voltage	V_IL	‑0.3		0.36	V
Input High Voltage	V_IH	0.84		1.5	V
Input Leakage Current	I_IN	‑100		100	μA

Optical Characteristics

Specifications for 100Gbase‑LR4

Parameter	Symbol	Min	Typ.	Max	Unit	Notes
Transmitter
Signaling Speed per Lane			25.78125 ± 100 ppm		Gbps
Wavelength Assignment	λ0	1294.53	1295.56	1296.59	nm
	λ1	1299.02	1300.05	1301.09	nm
	λ2	1303.54	1304.58	1305.63	nm
	λ3	1308.09	1309.14	1310.19	nm
Total Output. Power	POUT			10.5	dBm
Transmit OMA per Lane		‑1.3		4.5	dBm
Average Launch Power Per lane		‑4.3		4.5	dBm
SMSR		30			dB
Optical Extinction Ratio	ER	4			dB
Average Launch Power OFF per Lane	Poff			‑30	dBm
RIN	RIN			‑130	dB/Hz
Output Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}	{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}					1
Receiver
Signaling Speed per Lane			25.78125 ± 100 ppm		Gbps
Wavelength Assignment		1294.53	1295.56	1296.59	nm
		1299.02	1300.05	1301.09	nm
		1303.54	1304.58	1305.63	nm
		1308.09	1309.14	1310.19	nm
Receive Power (OMA) per Lane	ROMA			4.5	dBm
Average Input Power per Channel	RXPx	‑10.6		4.5	dBm	2
Receiver Sensitivity (OMA) per Lane	Rxsens			‑8.6	dBm
LOS De‑Assert	LOSD	‑30			dBm
LOS Assert	LOSA			‑12	dBm
Receiver Reflectance	Rr			‑26	dB

Notes:

1. Hit ratio 5x10^‑5

2. Measured with a PRBS 2³¹‑1 test pattern, @ 25.78Gb/s, BER < 10^‑12

Specifications for OUT4 4I1‑9D1F

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Transmitter
Signaling Speed per Lane			27.9525± 20 ppm		Gbps
Wavelength Assignment	λ0	1294.53	1295.56	1296.59	nm
	λ1	1299.02	1300.05	1301.09	nm
	λ2	1303.54	1304.58	1305.63	nm
	λ3	1308.09	1309.14	1310.19	nm
Total Output. Power	POUT			8.9	dBm
Average Launch Power Per Lane		‑2.5		2.9	dBm
SMSR		30			dB
Optical Extinction Ratio	ER	7			dB
Average Launch Power off per Lane	Poff			‑30	dBm
Output Eye Mask definition {X1, X2, X3, Y1, Y2, Y3}	{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}					1
Receiver
Signaling Speed per Lane			27.9525± 20 ppm		Gbps
Wavelength Assignment		1294.53	1295.56	1296.59	nm
		1299.02	1300.05	1301.09	nm
		1303.54	1304.58	1305.63	nm
		1308.09	1309.14	1310.19	nm
Average Input Power per Channel	RXPx	‑8.8		2.9	dBm	2
Equivalent Sensitivity per Channel	Rxsens			‑10.3	dBm
LOS De‑Assert	LOSD	‑30			dBm
LOS Assert	LOSA			‑12	dBm
Receiver Reflectance	Rr			‑26	dB