PH-S3112-20LCD-FTTD -Fiber to the desk solution provider-25G/40G/100G SFP/network adapter/Media converter/AOC/DOC cable

1.25Gbps SFP Transceiver

Feature

•Up to 1.25Gbps data links

• Hot-pluggable SFP footprint

• 1310nm Fabry-Perot laser transmitter

• Duplex LC connector

• RoHS compliant and Lead Free

• Up to 20 km on 9/125μm SMF

• Metal enclosure for lower EMI

• Single power supply 3.3V

• Low power dissipation <500mW typical

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

APPLICATIONS

• 1.25Gbps 1000Base-LX Ethernet

• 1.06 Gbps Fibre Channel

PH-S3112-20LCD Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They simultaneously comply with Gigabit Ethernet as specified in IEEE Std 802.3 and 1x Fibre Channel as defined in FC-PI-2 Rev. 10.0. They are RoHS compliant and lead-free per Directive 2002/95/EC.

Ⅰ.Pin Descriptions

Pin	Symbol	Name/Description	Ref.
1	VEET	Transmitter Ground (Common with Receiver Ground)	1
2	TFAULT	Transmitter Fault. Not supported.
3	TDIS	Transmitter Disable. Laser output disabled on high or open.	2
4	MOD_DEF(2)	Module Definition 2. Data line for Serial ID.	3
5	MOD_DEF(1)	Module Definition 1. Clock line for Serial ID.	3
6	MOD_DEF(0)	Module Definition 0. Grounded within the module.	3
7	Rate Select	No connection required
8	LOS	Loss of Signal indication. Logic 0 indicates normal operation.	4
9	VEER	Receiver Ground (Common with Transmitter Ground)	1
10	VEER	Receiver Ground (Common with Transmitter Ground)	1
11	VEER	Receiver Ground (Common with Transmitter Ground)	1
12	RD-	Receiver Inverted DATA out. AC Coupled
13	RD+	Receiver Non-inverted DATA out. AC Coupled
14	VEER	Receiver Ground (Common with Transmitter Ground)	1
15	VCCR	Receiver Power Supply
16	VCCT	Transmitter Power Supply
17	VEET	Transmitter Ground (Common with Receiver Ground)	1
18	TD+	Transmitter Non-Inverted DATA in. AC Coupled.
19	TD-	Transmitter Inverted DATA in. AC Coupled.
20	VEET	Transmitter Ground (Common with Receiver Ground)	1

Notes:

1. Circuit ground is internally isolated from chassis ground.

2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3. Should be pulled up with 4.7k – 10kohms on host board to a voltage between 2.0V and 3.6V.

MOD_DEF(0) pulls line low to indicate module is plugged in.

4. LOS is open collector output. Should be pulled up with 4.7k – 10kohms on host board to a voltage

between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

Ⅱ. Absolute Maximum Ratings

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Maximum Supply Voltage	Vcc	-0.5		4.0	V
Storage Temperature	TS	-40		85	°C
Case Operating Temperature	TA	0		70	°C
Relative Humidity	RH	0		85	%	1

Ⅲ. Electrical Characteristics (TA = 0 to 70 C, VCC = 3.0 to 3.6 Volts)

Parameter	Symbol	Min	Type	Max	Unit	Ref
Supply Voltage	Vcc	3.00		3.60	V
Supply Current	Icc		130	300	mA
Transmitter
Input differential impedance	Rin		100		Ω	2
Single ended data input swing	Vin,pp	250		1200	mV
Transmit Disable Voltage	V_D	Vcc – 1.3		Vcc	V
Transmit Enable Voltage	V_EN	Vee		Vee+0.8	V	3
Receiver
Single ended data output swing	Vout,pp	300	400	800	mV	4
Data output rise time	Tr			300	ps	5
Data output fall time	Tf			300	ps	5
LOS Fault	VLOS fault	Vcc – 0.5		Vcc host	V	6
LOS Normal	V_{LOS norm}	Vee		Vee+0.5	V	6
Power Supply Rejection	PSR	100			mVpp	7
Deterministic Jitter Contribution	RX ΔDJ	80			ps	8
Total Jitter Contribution	RX ΔTJ	122.4			ps

Notes:

1. Non condensing.

2. AC coupled.

3. Or open circuit.

4. Into 100 ohm differential termination.

5. 20 – 80 %

6. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

7. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA), September 14, 2000.

8. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and ΔDJ.

Ⅳ. Optical Characteristics (TOP = 0 to 70 C, VCC = 3. 00 to 3.60 Volts)

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Transmitter
Output Opt. power	POUT	-9		-3	dBm	1
Optical Wavelength	λ	1270		1360	nm	2
Spectral Width	σ			3	nm	2
Optical Modulation Amplitude	OMA	174			μW	2 ,3
Optical Rise/Fall Time	tr/ tf			260	ps	4
Relative Intensity Noise	RIN			-120	dB/Hz
Deterministic Jitter Contribution	TX Δ DJ		20	56	ps	5
Total Jitter Contribution	TX Δ TJ		50	119	ps
Optical Extinction Ratio	ER	9			dB
Receiver
Average Rx Sensitivity @ 1.25 Gbps (Gigabit Ethernet )	RSENS2			-22	dBm	6,7
Average Rx Sensitivity @ 1.06 Gbps (1X Fibre Channel )	RSENS1			-23	dBm	6,7
Stressed Rx sens. =1.25 Gbps				-14.5	dBm
Average Receiver Power	RxMAX			0	dBm
Receiver Elec. 3 dB cutoff freq.				1500	MHz
Optical Center Wavelength	λC	1265		1600	nm
Optical Return Loss		12			dB
LOS De-Assert	LOSD			-24	dBm
LOS Assert	LOSA	-34			dBm
LOS Hysteresis		0.5			dB

Notes:

1. Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.

2. Also specified to meet curves in FC-PI-2 Rev. 10.0 Figure 18, which allow trade-off between wavelength, spectral width and OMA.

3. Equivalent extinction ratio specification for Fibre Channel. Allows smaller ER at higher average power.

4. Unfiltered, 20-80%. Complies with IEEE 802.3 (Gig. E) and FC 1x eye masks when filtered.

5. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and ΔDJ

6. Measured with conformance signals defined in FC-PI-2 Rev. 10.0 specifications.

7. Measured with PRBS 2⁷-1 at 10^-12BER

Ⅴ. General Specifications

Parameter	Symbol	Min	Typ	Max	Units	Ref.
Data Rate	BR	1.062		1.250	Gbps	1
Bit Error Rate	BER			10^-12		2
Max. Supported Link Length on 9/125μm SMF @ 1X Fibre Channel	LMAX1		20		km	3,4
Max. Supported Link Length on 9/125μm SMF @ Gigabit Ethernet	LMAX2		20		km	3,4

Notes:

1. Gigabit Ethernet and 1x Fibre Channel compliant.

2. Tested with a PRBS 2⁷-1 test pattern.

3. Dispersion limited per FC-PI-2 Rev. 10

4. Attenuation of 0.55 dB/km is used for the link length calculations. Distances are indicative only. Please refer to the Optical Specifications in Table IV to calculate a more accurate link budget based on specific conditions in your application.

Ⅵ. Environmental Specifications

PHYnam 1310nm Industrial Temperature SFP transceivers have an operating temperature range from 0°C to +70°C case temperature.

Parameter	Symbol	Min	Typ	Max	Units	Ref.
Case Operating Temperature	Top	0		70	°C
Storage Temperature	Tsto	-40		85	°C

Ⅶ. Mechanical Specifications

PH-S3112-20LCD Small Form Factor Pluggable (SFP) transceivers are compatible with the dimensions defined by the SFP Multi-Sourcing Agreement (MSA).

Ⅷ．PCB Layout and Bezel Recommendations

Ⅸ. References

1. IEEE Std 802.3, 2002 Edition, Clause 38, PMD Type 1000BASE-LX. IEEE Standards Department, 2002.

2. “Fibre Channel Physical and Signaling Interface (FC-PH, FC-PH2, FC-PH3)”. American National Standard for Information Systems.

3. “Fibre Channel Physical Interface Specification (FC-PI-2 Rev. 10.0)”. American National Standard for Information Systems.

4. Small Form-factor Pluggable (SFP) Transceiver Multi-source Agreement (MSA), September 14, 2000.

5. Directive 2002/95/EC of the European Council Parliament and of the Council, “on the restriction of the use of certain hazardous substances in electrical and electronic equipment.” January 27, 2003.

Network Cabling

Optical Cabling

Media converter

Optical Transceiver SFP

Network adapter

DAC and AOC