

Product Features - Up to 1.25Gbps data links
- 20km with 9/125µm SMF
- 1310nm FP laser
- Duplex LC Connector
- Hot-pluggable SFP footprint
- Single 3. 3V power supply Applications
- Operating temperature: Ref.to ordering info. √ 1.25Gbps 1000Base-LX
- RoHS √ 1G/2G Fiber Channel
- Digital Diagnostic Monitor (DDM)*
- 1. Product Description
The ts-S3112-20LCD IS small form factor pluggable (SFP) transceiver compatible with multi-sourcing agreement (MSA). It is suitable for single-mode fiber (SMF) communications in 1.25Gbps Ethernet and 1G/2G Fiber Channel.
2. Regulatory Compliance
transceivers are Class 1 Laser Products comply with FDA regulations. Meet Class 1 eye safety requirements of EN 60825 and the electrical safety requirements of EN 60950.
3. Absolute Maximum RatingsParameter | Symbol | Min. | Max. | Unit |
Supply Voltage | VCC | -0.5 | 3.6 | V |
Storage Temperature | TS | -40 | 85 | °C |
Operating Case Temperature | TC | Refer to ordering information |
4. Recommended Operating ConditionsParameter | Symbol | Min. | Typical | Max. | Unit |
Operating Case Temperature | TC | Refer to ordering information |
Power Supply Voltage | VCC | 3.15 | 3.3 | 3.45 | V |
Power Supply Current | ICC | | | 250 | mA |
Data Rate | | | 1.25 | | GBps |
Max Link Length on 9/125µm SMF | Lmax | | | 20 | km |
5. Optical CharacteristicsParameter | Symbol | Min. | Typical | Max. | Unit |
Transmitter |
Centre Wavelength | λc | 1260 | 1310 | 1360 | nm |
Spectral Width (RMS) | σ | | | 3 | nm |
Average Output Power | Pout | -9 | | -3 | dBm |
Extinction Ratio | EX | 9 | | | dB |
Optical Rise/Fall Time | tr/tf | | | 1 | ns |
Receiver |
Centre Wavelength | λc | 1200 | 1310 | 1600 | nm |
Receiver Sensitivity | PIN | | | -20 | dBm |
Receiver Overload | Pmax | 1 | | | dBm |
LOS De-Assert | LOSD | | | -24 | dBm |
LOS Assert | LOSA | -35 | | | dBm |
LOS Hysteresis | | 0.5 | | 4.5 | dB |
6. Electrical CharacteristicsParameter | Symbol | Min. | Typical | Max. | Unit |
Transmitter |
Input Differential Impedance | Zin | 90 | 100 | 110 | Ω |
Data Input Swing Differential | Vin | 500 | | 2400 | mV |
Tx-Dis Disable | Vd | 2.0 | | Vcc | V |
Tx-Dis Enable | Ven | 0 | | 0.8 | V |
TX-Fault (Fault) | | 2.0 | | Vcc+0.3 | V |
TX-Fault (Normal) | | 0 | | 0.8 | V |
Receiver |
Data Output Swing Differential | Vout | 370 | | 2000 | mV |
Rx-Los Fault | Vlf | 2.0 | | Vcc+0.3 | V |
Rx-Los Normal | Vln | 0 | | 0+0.8 | V |
7. Pin Descriptions
Pin | Symbol | Description | Ref. |
1 | VEET | Transmitter Ground (Common with Receiver Ground) | 6.1 |
2 | TFAULT | Transmitter Fault. Not supported. | |
3 | TDIS | Transmitter Disable. Laser output disabled on high or open. | 6.2 |
4 | MOD_DEF(2) | Module Definition 2. Data line for Serial ID. | 6.3 |
5 | MOD_DEF(1) | Module Definition 1. Clock line for Serial ID. | 6.3 |
6 | MOD_DEF(0) | Module Definition 0. Grounded within the module. | 6.3 |
7 | Rate Select | No connection required | |
8 | LOS | Loss of Signal indication. Logic 0 indicates normal operation. | 6.4 |
9 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
10 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
11 | VEER | Receiver Ground (Common with Transmitter Ground) | 6.1 |
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) | 6.1 |
15 | VCCR | Receiver Power Supply | |
16 | VCCT | Transmitter Power Supply | |
17 | VEET | Transmitter Ground (Common with Receiver Ground) | 6.1 |
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) | 6.1 |
Notes:
6.1 Circuit ground is internally isolated from chassis ground.
6.2 Laser output disabled on TDIS >2.0V or open, enabled on TD
6.3 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.
6.4 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.
8. EEPROM & DDM THRESHOLD
8.1 EEPROM
2 wire address 1010000X (A0h)
0~95 Serial ID Defined by SFP MSA (96 bytes) |
96~127 Vendor Speific (32 bytes) |
128~255 Reserved (128 bytes) |
EEPROM Serial ID Memory ContentsAdd. | Size (Bytes) | Name of Field | Hex | Description |
BASE ID FIELDS |
0 | 1 | Identifier | 03 | SFP |
1 | 1 | Ext. Identifier | 04 | SFP function is defined by serial ID only |
2 | 1 | Connector | 07 | LC |
3-10 | 8 | Transceiver | 00 00 00 02 00 00 00 00 | Transmitter Code |
11 | 1 | Encoding | 01 | 8B/10B |
12 | 1 | BR, Nominal | 0D | 2.125Gbps |
13 | 1 | Reserved | 00 | |
14 | 1 | Length (9um) km | 0A | 20km |
15 | 1 | Length (9um) km | 14 |
16 | 1 | OM2 Length (50um) m | 00 | |
17 | 1 | OM1 Length (62.5um) m | 00 | |
18 | 1 | Length (Copper) | 00 | |
19 | 1 | OM3 Length (50um) m | 00 | |
20-35 | 16 | Vendor Name | 48 41 4E 44 41 52 20 20 20 20 20 20 20 20 20 20 | * OEM available |
36 | 1 | Reserved | 00 | |
37-39 | 3 | Vendor OUI | 00 00 00 | * OEM available |
40-55 | 16 | Vendor PN | xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx | * OEM available |
56-59 | 4 | Vendor Rev | 30 31 20 20 | 01 |
60-61 | 2 | Wavelength | 05 IE | 1310nm |
62 | 1 | Reserved | 00 | |
63 | 1 | CC_BASE | xx | Check Code for Base ID Field |
EXTENDED ID FIELDS |
64-65 | 2 | Options | 00 1A | Loss/ TX_Fault/ TX_Disable |
66 | 1 | BR, Max | 00 | |
67 | 1 | BR, Min | 00 | |
68-83 | 16 | Vendor SN | 43 4C xx xx xx xx xx xx xx xx xx 20 20 20 20 20 | SN of Transceiver (ASCII). Exp. "XXXXXXXXX" |
84-91 | 8 | Date Code | xx xx xx xx xx xx 20 20 | YY/MM/DD Exp. 120727 |
92 | 1 | Diagnostic Monitoring | 68 | HDSFP13GELXD/I |
08 | HDSFP13GELX |
93 | 1 | Enhanced Options | 90 | HDSFP13GELXD/I |
00 | HDSFP13GELX |
94 | 1 | SFF_8472 Compliance | 01 | HDSFP13GELXD/I |
00 | HDSFP13GELX |
95 | 1 | CC_EXT | checksum | Checksum for Extened ID |
VENDOR SPECIFIC ID FIELDS |
96-127 | 32 | Vendor Specific | 20 20 20... | Depends on Customer Info |
128-255 | 128 | Reserved | FF FF FF... | Depends on Customer Info |
8.1 DDM THRESHOLD
| Low Alarm | Low Warn | High Warn | High Alarm |
Temperature | te-S3112-20LCD -I | -45ºC | -40ºC | 85ºC | 90ºC |
te-S3112-20LCD | -20ºC | -10ºC | 75ºC | 90ºC |
Voltage | 3V | 3.1V | 3.5V | 3.6V |
Tx Bias | 15mA | 20mA | 40mA | 45mA |
Tx Power | -13.5dBm | -9.5dBm | -1dBm | 1dBm |
Rx Power | -23dBm | -19dBm | -3dBm | 1dBm |
10. Mechanical Specifications
Ordering InformationPart No. | Data Rate | DDM | Wave | Fiber Type | Dist. | Temp. | Optical Interface |
te-S3112-20LCD | 1.25Gbps | yes | 1310nm | SMF | 20km | -5~75ºC | LC |
te-S3112-20LCD-I | 1.25Gbps | yes | 1310nm | SMF | 20km | -40~85ºC | LC |
VERSION UPDATE: VERSION NO. | DATE | UPDATED INFORMATION |
V20131010 | 20131010 | - EEPROM& DDM Threshold updated
- Ordering information updated
- Product picture updated
|
V20140819 | 20140819 | 1. Ordering information updated |
NOTICE:
reserves the right to make changes to this product in this specification without notice, in order to improve product performance
Company Profile
TELEFLY Telecommunications Equipment Co., Ltd. is a leading Chinese manufacturer founded in 2004, certified by SGS. We provide high quality and price competitive fibre optic cable, fibre optic patch cords, fibre optic patch panels, FTTH equipments, fibre optique patch panels, optical splitters, WDM, optical attenuators, fast connectors ,Ethernet switch ,SFP transceiver and so on. Up till now, our products and solutions have been deployed in over 60 countries and regions, TELEFLY is looking forward to strengthening friendly cooperative relationships with all clients, creating benefits together and sharing the joy of success!
Why you choose TELEFLY be one of your partner?1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
Cerfifications Showing
Our Exhibition

Professional packing and transportation