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Parameter			Symbol	Min.	Typ.	Max	Unit	Notes
Transmitter
CML inputs(Differential)			Vin	150	-	1200	mVpp	AC coupled inputs
Input impedance (Differential)			Zin	90	100	110	ohms	Rin > 100  kohms @ DC
Tx_DISABLE input voltage - high			-	2	-	Vcc+0.3	V	-
Tx_DISABLE input voltage - low			-	0	-	0.8	V	-
Tx_FAULT output voltage- high			-	2	-	Vcc+0.3	V	Io = 400µA; Host Vcc
Tx_FAULT output voltage- low			-	0	-	0.8	V	Io = -4.0Ma
Receiver
CML outputs (Differential)			Vout	350	-	700	mVpp	AC coupled outputs
Output impedance (Differential)			Zout	90	100	110	ohms	-
Rx_LOS output voltage - high			-	2.4	-	Vcc+0.3	V	lo = 400µA;host Vcc
Rx_LOS output voltage - low			-	0	-	0.4	V	lo = -4.0Ma
MOD_DEF ( 0:2 )			VoH	2.5	-	-	V	With serial ID
			VoL	0	-	0.5	V

Parameter				Symbol		Min.	Typical	Max.	Unit
OM3 MMF				-		-	100	-	m
Data rate				-		-	14.025	-	Gbps
Transmitter
Centre wavelength				λC		840	850	860	nm
Spectral width (RMS)				Δλ		-	-	0.59	nm
Average output power				Pout		-7.8	-	-	dBm
Extinction ratio				ER		3.0	5.0	-	dB
Transmitter dispersion penalty				TDP		-	-	4.3	dB
Input differential impedance				ZIN		90	100	110	Ω
TX disable		Disable		-		2.0	-	Vcc+0.3	V
		Enable				0	-	0.8
TX_fault		Fault		-		2.4	-	Vcc+0.3	V
		Normal				0	-	0.4
TX_disable assert time RIN				t_off		-	-	10	us
TX_DISABLE negate time				t_on		-	-	1	ms
TX_BISABLE time to start reset				t_reset		10	-	-	us
Time to initialize, include reset of TX_FAULT				t_init		-	-	300	ms
TX_FAULT from fault to assertion				t_fault		-	-	100	us
Receiver
Centre wavelength				λC		840	850	860	nm
Receiver sensitivity @14.025G				Pmin		-	-	-10.5	dBm
Receiver sensitivity @8.5G				Pmin		-	-	-11	dBm
Receiver sensitivity @4.25G				Pmin		-	-	-12	dBm
Output differential impedance				RIN		90	100	110	Ω
Receiver overload				Pmax		0	-	-	dBm
Optical return loss				ORL		-	-	-12	Db
LOS de-assert				LOSD		-	-	-12.5	dBm
LOS assert				LOSA		-25	-	-	dBm
LOS hysteresis				-		0.5	-	-	Db
LOS		High		-		2.4	-	VCC+0.3	V
		Low		-		0	-	0.4

Notes:
1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V and VccT/R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

2) TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7K – 10 KΩ resistor. Its states are:
Low (0 – 0.8V): Transmitter on
(>0.8, < 2.0V): Undefined
High(2.0 – 3.465V): Transmitter Disabled
Open: Transmitter Disabled

3) Module Absent, connected to VeeT or VeeR in the module.

4) LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor. Pull up voltage between 2.0V and VccT/R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

5) The module signal ground contacts, VeeR and VeeT, should be isolated from the module case.

6) RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be between 350 and 700 mV differential (175 –350 mV single ended) when properly terminated.

7) VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP+ connector pin. Maximum supply current is 430mA. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage at the SFP+ input pin with 3.3V supply voltage. When the recommended supply-filtering network is used, hot plugging of the SFP+ transceiver module will result in an inrush current of no more than 30mA greater than the steady state value. VccR and VccT may be internally connected within the SFP+ transceiver module.

8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of 150 – 1200 mV (75 – 600mV single-ended).