1.25G SFP Transceiver Module FTCS-xx12-xxDxx Spec V3.06

Product Description

FTCS-xx12-xxDxx SFP Transceiver Module

F-tone’s FTCS-xx12-xxDxx series of 1.25G SFP transceiver modules support data rates up to 1.5Gbps, making them the perfect solution for high-speed communication networks. The module is fully compliant with Small Form-Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA).

These transceiver modules provide the system designer with reliable solutions for Telecom, Datacom, and other Fibre Channel applications.

Product Features

  • VCSEL/FP/DFB Laser Diode Transmitter
  • Up to 2 Km on 62.5/125μm MMF, Up to 120 Km on 9/125μm SMF
  • 3.3V power supply
  • LC duplex optical interface
  • LVPECL/CML Differential Input / Output and LVTTL signal detect
  • Class 1 Laser International Safety Standard IEC 825 Compliant
  • Operating case temperature range: Standard (0 to +70°C) or Industrial (-40°C to +85°C)
  • Digital Diagnostic Monitoring (DDM) per SFF-8472
  • 2-Wire serial interface (I²C)
  • Supports data rates from 100Mbps to 1500Mbps

Applications

  • Fiber Channel Switch Infrastructure
  • Gigabit Ethernet Switches and Routers
  • Other optical links

Absolute Maximum Ratings

Operation beyond the absolute maximum conditions listed in Table 1 will degrade or damage the product. The product is not implied to function above the recommended operating environment; exceeding it may reduce reliability and lifetime.

Table 1 — Absolute Maximum Conditions

Parameter Symbol Min Max Units Note
Storage Temperature TST -40 +85
Relative Humidity RH 5 95 %
Supply Voltage VCC 0 +3.6 V

Table 2 — Recommended Operating Environment and Electrical Characteristics

Parameter Symbol Min Typ Max Units Note
Supply Voltage VCC +3.1 +3.3 +3.5 V
Supply Current ICC 260 mA
Operating Case Temperature (Standard) TOP 0 +70 1
Operating Case Temperature (Industrial) TOP -40 +85 2
Data Rate B 100 1250 1500 Mbps

Note 1: Standard level    Note 2: Industrial level

Optical Parameters

Table 3 — FTCS-8512-02Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 830 850 860 nm
Output Spectral width (RMS) Δλ 0.85 nm
Average Optical Output Power Po -12 -3 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -18 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 770 860 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -18 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 62.5/125μm MMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 4 — FTCS-M1312-02Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1260 1310 1360 nm
Output Spectral width (RMS) Δλ 4 nm
Average Optical Output Power Po -14 -5 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -23 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -23 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 62.5/125μm MMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 5 — FTCS-1312-10Dxx / FTCS-1312-20Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1260 1310 1360 nm
Output Spectral width (RMS) Δλ 4 nm
Average Optical Output Power Po -10 -3 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -23 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -23 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 6 — FTCS-1312-40Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1260 1310 1360 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po -5 0 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -24 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -24 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 7 — FTCS-1512-20Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po -10 -3 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -23 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -23 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 8 — FTCS-1512-40Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po -8 -3 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -25 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -25 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 9 — FTCS-1512-60Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po -5 0 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -25 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -25 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 10 — FTCS-1512-80Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po -2 +3 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -26 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -26 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 11 — FTCS-1512-H0Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po 0 +5 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -28 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -35 dBm 1,2
Loss of Signal (Deassert) LOSD -28 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Table 12 — FTCS-1512-H2Dxx Optical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Transmitter
Data rate B 100 1250 1500 Mbps
Output Center Wavelength λc 1480 1550 1580 nm
Output Spectral width (-20dB) Δλ 1 nm
Average Optical Output Power Po 0 +5 dBm 1,2
Extinction Ratio ER 8.2 dB 1,2
Optic Output Eye: Compliant IEEE802.3 1,2
Receiver
Receiver Sensitivity Pmin -30 dBm 1,2
Receiver Saturation Pmax -3 dBm 1,2
Operation Center Wavelength λc 1260 1620 nm
Loss of Signal (Assert) LOSA -40 dBm 1,2
Loss of Signal (Deassert) LOSD -30 dBm 1,2
LOS Hysteresis LOHYS 0.5 dB

Note 1: The optical power is launched into 9/125μm SMF.
Note 2: With a PRBS 2²³⁻¹ test pattern @ 1250Mbps.

Electrical Parameters

Table 13 — Transceiver Electrical Characteristics (Ta=+25±5°C, VCC=3.3±0.2V)

Parameter Symbol Min Typ Max Units Note
Supply Voltage VCC +3.1 +3.3 +3.5 V
Supply Current ICC 260 mA
Transmitter
Differential Input Voltage Vin 400 2000 mVP-P
Input Differential Impedance Zin 90 100 110 Ω
TX_DISABLE (Disable) VD 2.0 VCC V
TX_DISABLE (Enable) VEN 0 0.8 V
TX_Fault (Fault) VF 2.0 VCC V
TX_Fault (Normal) VN 0 0.8 V
Receiver
Differential Output Voltage VOUT 400 2000 mVP-P
RX_LOS (Fault) VF 2.0 VCC V
RX_LOS (Normal) VN 0 0.8 V

Digital Diagnostic Monitoring Characteristics

Table 14 — Digital Diagnostic Monitoring Characteristics

Parameter Symbol Range Accuracy Note
Transceiver Internal Temperature T Recommended Operation Condition ±3°C
Transceiver Internal Supply Voltage VCC Recommended Operation Condition ±3%
Laser Bias Current ID ID: 1-100mA, Recommended Operation Condition ±10%
TX Output Power PO PO: min~max dBm, Recommended Operation Condition ±3dBm
RX Input Power PI PI: min~max dBm, Recommended Operation Condition ±3dBm

EEPROM Information Functions

Serial ID provides access to identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information. SFP transceivers provide a unique enhanced digital diagnostic monitoring interface, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power, and transceiver supply voltage.

It also defines a sophisticated system of alarm and warning flags, which alerts end users when particular operating parameters are outside of a factory-set normal range.

Defines a 256-byte memory map in E²PROM that is accessible over a 2-wire serial interface at the 8-bit address 1010000X (A0h). The digital diagnostic monitoring interface makes use of the 8-bit address 1010001X (A2h). The interface is identical to, and compatible with both the GBIC Specification and the SFP Multi-Source Agreement.

Table 15 — Serial ID Memory Map: A0h (Base ID Fields)

Data Address Size (Byte) Name of Field Description
0 1 Identifier SFP
1 1 Ext. Identifier SFP function is defined by serial ID only
2 1 Connector LC Connector
3-10 8 Transceiver Transceiver Codes
11 1 Encoding NRZ
12 1 BR, Nominal 1250Mbps
13 1 Reserved
14 1 Length(9μm)km Transceiver transmit distance
15 1 Length(9μm)100m
16 1 Length(50μm)10m
17 1 Length(62.5μm)10m
18 1 Length(Copper) Not compliant
19 1 Reserved
20-35 16 Vendor Name SFP vendor name: F-tone
36 1 Reserved
37-39 3 Vendor OUI
40-55 16 Vendor PN Part Number: “FTCS-xx12-xxDxx”
56-59 4 Vendor rev
60-61 2 Wavelength Transceiver wavelength
62 1 Reserved
63 1 CC_BASE Check code for Base ID Fields

Table 15 — Serial ID Memory Map: A0h (Extended & Vendor Specific Fields)

Data Address Size (Byte) Name of Field Description
64-65 2 Options TX_FAULT, TX_DISABLE and Loss of Signal implemented
66 1 BR, max
67 1 BR, min
68-83 16 Vendor SN Serial number
84-91 8 Date code Manufacture date code
92 1 Diagnostic Monitoring Type Digital diagnostic monitoring implemented, “internally calibrated”, RX measurement type is “Average Power”
93 1 Enhanced Options Optional Alarm/Warning flags for all monitored quantities, Optional Soft RX_LOS monitoring
94 1 SFF-8472 Compliance Includes functionality described in Rev 9.3 SFF-8472
95 1 CC_EXT Check sum for the extended ID Fields
96-127 32 Vendor Specific Vendor Specific EEPROM
128-255 128 Reserved Reserved for SFF-8079

Pin Definitions

SFP Connector Pin Assignment Diagram

Table 16 — Connector Pin Assignment

Pin # Pin Name Plug Seq. Description Note
1 VeeT 1 Transmitter Ground 6
2 TX Fault 3 Transmitter Fault Indication 1
3 TX Disable 3 Transmitter Disable 2
4 MOD_DEF(2) 3 SDA Serial Data Signal 3
5 MOD_DEF(1) 3 SCL Serial Clock Signal 3
6 MOD_DEF(0) 3 Grounded to indicate module presence 3
7 Rate Select 3 Not in used 4
8 LOS 3 Loss of Signal 5
9 VeeR 1 Receiver Ground 6
10 VeeR 1 Receiver Ground 6
11 VeeR 1 Receiver Ground 6
12 RD- 3 Inv. Received Data Out 8
13 RD+ 3 Received Data Out 8
14 VeeR 1 Receiver Ground 6
15 VccR 2 Receiver Power 7
16 VccT 2 Transmitter Power 7
17 VeeT 1 Transmitter Ground 6
18 TD+ 3 Transmit Data In 9
19 TD- 3 Inv. Transmit Data In 9
20 VeeT 1 Transmitter Ground 6

Plug Seq.: Pin engagement sequence during hot plugging.

Pin Function Notes

Note 1 — TX_Fault: Open collector/drain output, should be pulled up with a 4.7kΩ–10kΩ resistor on the host board. Pull-up voltage between 2.0V and VCCT+0.3V. When high, output indicates a laser fault. Low indicates normal operation (< 0.8V).

Note 2 — TX_Disable: Input for shutting down the transmitter optical output.
Low (0–0.8V): Transmitter on | (>0.8, <2.0V): Undefined | High (2.0–VCC): Transmitter Disabled | Open: Transmitter Disabled

Note 3 — Mod-Def 0, 1, 2: Module definition pins, should be pulled up with a 4.7kΩ–10kΩ resistor. Mod-Def 0 is grounded by the module to indicate presence. Mod-Def 1 is the clock line of the 2-wire serial interface. Mod-Def 2 is the data line.

Note 4: Not in used.

Note 5 — LOS: Open collector/drain output, pulled up with a 4.7kΩ–10kΩ resistor. When high, indicates received optical power is below worst-case receiver sensitivity. Low indicates normal operation (< 0.8V).

Note 6: VeeR and VeeT may be internally connected within the SFP module.

Note 7: VccR and VccT are the receiver and transmitter power supplies, defined as 3.3V ±5%. Maximum supply current is 300mA. VccR and VccT may be internally connected.

Note 8: RD-/+: Differential receiver outputs, AC-coupled 100Ω differential lines. AC coupling is done inside the module.

Note 9: TD-/+: Differential transmitter inputs, AC-coupled with 100Ω differential terminations inside the module.

Host Board Layout

SFP Host Board Mechanical Layout

A typical host board mechanical layout for attaching the SFP Connector and Cage System.

SFP Host Board Mechanical Layout (Cont.)

SFP Host Board Mechanical Layout (Cont.)

Recommended Circuit Schematic

Recommended Circuit Schematic

Module Outline Drawing

FTCS-xx12-xxDxx Module Outline Drawing (Units in mm)

Units in mm. Specifications subject to change without notice.

Ordering Information

Part Number Product Description
FTCS-8512-02D SFP Transceiver Module, MMF, 850nm, 1.25G, 0.5km, with DDM, 0°C~+70°C
FTCS-8512-02DI SFP Transceiver Module, MMF, 850nm, 1.25G, 0.5km, with DDM, -40°C~+85°C
FTCS-M1312-02D SFP Transceiver Module, MMF, 1310nm, 1.25G, 0.55km, with DDM, 0°C~+70°C
FTCS-M1312-02DI SFP Transceiver Module, MMF, 1310nm, 1.25G, 0.55km, with DDM, -40°C~+85°C
FTCS-1312-10D SFP Transceiver Module, 1310nm, 1.25G, 10km, with DDM, 0°C~+70°C
FTCS-1312-10DI SFP Transceiver Module, 1310nm, 1.25G, 10km, with DDM, -40°C~+85°C
FTCS-1312-20D SFP Transceiver Module, 1310nm, 1.25G, 20km, with DDM, 0°C~+70°C
FTCS-1312-20DI SFP Transceiver Module, 1310nm, 1.25G, 20km, with DDM, -40°C~+85°C
FTCS-1312-40D SFP Transceiver Module, 1310nm, 1.25G, 40km, with DDM, 0°C~+70°C
FTCS-1312-40DI SFP Transceiver Module, 1310nm, 1.25G, 40km, with DDM, -40°C~+85°C
FTCS-1512-20D SFP Transceiver Module, 1550nm, 1.25G, 20km, with DDM, 0°C~+70°C
FTCS-1512-20DI SFP Transceiver Module, 1550nm, 1.25G, 20km, with DDM, -40°C~+85°C
FTCS-1512-40D SFP Transceiver Module, 1550nm, 1.25G, 40km, with DDM, 0°C~+70°C
FTCS-1512-40DI SFP Transceiver Module, 1550nm, 1.25G, 40km, with DDM, -40°C~+85°C
FTCS-1512-60D SFP Transceiver Module, 1550nm, 1.25G, 60km, with DDM, 0°C~+70°C
FTCS-1512-60DI SFP Transceiver Module, 1550nm, 1.25G, 60km, with DDM, -40°C~+85°C
FTCS-1512-80D SFP Transceiver Module, 1550nm, 1.25G, 80km, with DDM, 0°C~+70°C
FTCS-1512-80DI SFP Transceiver Module, 1550nm, 1.25G, 80km, with DDM, -40°C~+85°C
FTCS-1512-H0D SFP Transceiver Module, 1550nm, 1.25G, 100km, with DDM, 0°C~+70°C
FTCS-1512-H0DI SFP Transceiver Module, 1550nm, 1.25G, 100km, with DDM, -40°C~+85°C
FTCS-1512-H2D SFP Transceiver Module, 1550nm, 1.25G, 120km, with DDM, 0°C~+70°C
FTCS-1512-H2DI SFP Transceiver Module, 1550nm, 1.25G, 120km, with DDM, -40°C~+85°C

Contact Information

Item Details
Company 北亿纤通 | F-tone Networks
Region 中国四川天府新区
Service Area 全球 (Global)
Phone 028-85255257
Fax 028-85977702
Mobile 19081343401
Website https://www.f-tone.com
HR hr@f-tone.com
Sales sales@f-tone.com
Technical Support support@f-tone.com

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Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.