Ascent Communication Technology

10G SFP+ Tunable DWDM 80 km

Ascent’s SFPP-LP-T99R-80 10 Gb/s SFP+ tunable transceiver is an integrated ﬁber optic transceiver that provides a high-speed serial link at signaling rates from 9.95 Gb/s to 11.3 Gb/s. The module complies with the 10 Gigabit Enhanced Small Form Factor Pluggable (SFP+) multisource agreement - MSA(SFF-8431) and SFF-8432, SFF-8690, and SFF 8472. It complies with the ITU-T G.698.1 standard with 50 GHz channel spacing for SONET/SDH, IEEE DWDM 10GBASE-ZR for up to 80 km (Ethernet), and DWDM 10GFC for up to 80 km (Fiber Channel) applications.

• Supports 9.95 Gb/s to 11.3 Gb/s bit rates

• Monolithically integrated full C-band tunable transmitter and APD receiver

• 50 GHz ITU channel spacing with integrated wavelength locker

• Maximum link length of 80km

• Metal enclosure, for lower EMI

• 2-wire interface with integrated Digital Diagnostic monitoring

• Hot-pluggable SFP+ footprint

• Specifications compliant with SFF 8472 V10.3 & SFF 8690 V1.4

• Compliant with SFP+ MSA with LC connector

• Power dissipation<1.65 W

• Case temperature range: -5 °C to +70 °C

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Storage Temperature	Ts	‑40	‑	85	°C
Relative Humidity	RH	5	‑	85	%
Power Supply Voltage	VCC	‑0.3	‑	3.6	V
Signal Input Voltage		Vcc‑0.3	‑	Vcc+0.3	V

Recommended Operating Conditions

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Case Operating Temperature	Tcase	‑5	‑	70	°C	Without air flow
Power Supply Voltage	VCC	3.14	3.3	3.47	V
Power Supply Current	ICC	‑		500	mA
Data Rate	BR		10.3125		Gbps
Transmission Distance	TD		‑	80	km
Coupled fiber	Single‑mode fiber					9/125 µm SMF

Optical Characteristics

Parameter	Symbol	Min	Typ	Max	Unit	Note
Transmitter
Average Optical Power	Pout	‑1		3	dBm	1
Frequency Stability (BOL)		ƒc‑1.5		ƒc+1.5	GHz	2
Frequency Stability (EOL)		ƒc‑2.5		ƒc+2.5	GHz	2
Center Wavelength Spacing			50		GHz	3
Optical Extinction Ratio	ER	8.2			dB
Side mode Suppression ratio	SMSR	35			dB
Average Launch Power (Laser off)	Poff			‑30	dBm
Output Eye Mask	Compliant with IEEE 802.3ae
Receiver
Rx Sensitivity with Dispersion 0 ps/nm	R_SENS			‑23	dBm	@9.95, 10.3, 10.5 Gbps, BER=10^‑12
				‑27		@10.709 Gbps, BER=10^‑4
				‑27		@11.1 Gbps, BER=10^‑4
				‑26.5		@11.3 Gbps, BER=10^‑4
Rx Sensitivity with Dispersion –400 ps/nm to +1450 ps/nm				‑21		@9.95, 10.3, 10.5 Gbps, BER=10^‑12
				‑25		@10.709 Gbps, BER=10^‑4
				‑25		@11.1 Gbps, BER=10^‑4
				‑24		@11.3 Gbps, BER=10^‑4
Input Saturation Power (Overload)	Psat	‑6			dBm
Wavelength Range	λC	1480		1580	nm
LOS De‑Assert	LOSD			‑27	dBm
LOS Assert	LOSA	‑36			dBm
LOS Hysteresis		0.5			dB

Notes:

1. Output power is power coupled into a 9/125 mm single‑mode fiber.

2. ƒc refers to Page 2 the Frequency row of SFPP‑AT‑LP‑T99R‑80 Wavelength Guide Table, and test condition is reflect power to transmitter lower than ‑27 dBm.

3. Corresponds to approximately 0.4 nm.

Electrical Characteristics

Parameter	Symbol	Min	Typ	Max	Unit	Note
Supply Voltage	Vcc	3.14	3.3	3.46	V
Supply Current	Icc			500	mA
Transmitter
Input Differential Impedance	ohm		100		Ω	1
Differential Data Input Swing	Vin, pp	240		910	mV
Transmit Disable Voltage	Vdis	Vcc‑1.3		Vcc	V
Transmit Enable Voltage	Ven	Vee		Vee+0.8	V	2
TX_FAULT Voltage‑High		Vcc‑1.3		Vcc	V
TX_FAULT Voltage‑Low		Vee		Vee+0.8	V
Receiver
Differential Data Output Swing	Vout, pp	350		800	mV	3
Data Output Rise Time	tr	30			ps	4
Data Output Fall Time	tf	30			ps	4
LOS Fault		Vcc‑1.3		Vcc_HOST	V	5
LOS Normal		Vee		Vee+0.8	V	5