Customization: | Available |
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Usage: | Telephone, Computer, Workstation, Server, Mobile phone, Data Center |
Type: | Both Wired and Wireless |
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Parameter | Symbol | Min. | Max. | Unit |
Supply Voltage | Vcc | -0.5 | 4.5 | V |
Storage Temperature | Ts | -40 | +85 | °C |
Operating Humidity | - | 5 | 85 | % |
Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
Transmitter | ||||||||
Centre Wavelength | λc | 1470 | 1490 | 1510 | nm | 1490Tx1550Rx | ||
1530 | 1550 | 1570 | nm | 1550Tx1490Rx | ||||
Spectral Width(-20dB) | Δλ | 1 | nm | |||||
Side-Mode Suppression Ratio | SMSR | 30 | dB | |||||
Average Output Power | Pout | 0 | +5 | dBm | 1 | |||
Extinction Ratio | ER | 9.0 | dB | |||||
Data Input Swing Differential | VIN | 180 | 1200 | mV | 2 | |||
Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
TX Disable | Disable | 2.0 | Vcc | V | ||||
Enable | 0 | 0.8 | V | |||||
TX Fault | Fault | 2.0 | Vcc | V | ||||
Normal | 0 | 0.8 | V | |||||
Receiver | ||||||||
Centre Wavelength | λc | 1470 | 1490 | 1510 | nm | 1490Tx1550Rx | ||
1530 | 1550 | 1570 | nm | 1550Tx1490Rx | ||||
Receiver Sensitivity | -26 | dBm | 3 | |||||
Receiver Overload | -1 | dBm | 3 | |||||
LOS De-Assert | LOSD | -27 | dBm | |||||
LOS Assert | LOSA | -38 | dBm | |||||
LOS Hysteresis | 0.5 | 4 | dB | |||||
Data Output Swing Differential | Vout | 600 | 800 | 1000 | mV | 4 | ||
LOS | High | 2.0 | Vcc | V | ||||
Low | 0.8 | V |
Parameter | Symbol | Min | Typical | Max | Unit |
Tx Disable Negate Time | t_on | 1 | ms | ||
Tx Disable Assert Time | t_off | 10 | µs | ||
Time To Initialize, including Reset of Tx Fault |
t_init | 300 | ms | ||
Tx Fault Assert Time | t_fault | 100 | µs | ||
Tx Disable To Reset | t_reset | 10 | µs | ||
LOS Assert Time | t_loss_on | 100 | µs | ||
LOS De-assert Time | t_loss_off | 100 | µs | ||
Serial ID Clock Rate | f_serial_clock | 100 | 400 | KHz | |
MOD_DEF (0:2)-High | VH | 2 | Vcc | V | |
MOD_DEF (0:2)-Low | VL | 0.8 | V |
Pin | Signal Name | Description | Plug Seq. | Notes |
1 | VEET | Transmitter Ground | 1 | |
2 | TX FAULT | Transmitter Fault Indication | 3 | Note 1 |
3 | TX DISABLE | Transmitter Disable | 3 | Note 2 |
4 | SDA | SDA Serial Data Signal | 3 | |
5 | SCL | SCL Serial Clock Signal | 3 | |
6 | MOD_ABS | Module Absent. Grounded within the module |
3 | |
7 | RS0 | Not Connected | 3 | |
8 | LOS | Loss of Signal | 3 | Note 3 |
9 | RS1 | Not Connected | 3 | |
10 | VEER | Receiver ground | 1 | |
11 | VEER | Receiver ground | 1 | |
12 | RD- | Inv. Received Data Out | 3 | Note 4 |
13 | RD+ | Received Data Out | 3 | Note 4 |
14 | VEER | Receiver ground | 1 | |
15 | VCCR | Receiver Power Supply | 2 | |
16 | VCCT | Transmitter Power Supply | 2 | |
17 | VEET | Transmitter Ground | 1 | |
18 | TD+ | Transmit Data In | 3 | Note 5 |
19 | TD- | Inv. Transmit Data In | 3 | Note 5 |
20 | VEET | Transmitter Ground | 1 |
Data Address | Length (Byte) |
Name of Length |
Description and Contents |
Base ID Fields | |||
0 | 1 | Identifier | Type of Serial transceiver (03h=SFP) |
1 | 1 | Reserved | Extended identifier of type serial transceiver (04h) |
2 | 1 | Connector | Code of optical connector type (07=LC) |
3-10 | 8 | Transceiver | SONET |
11 | 1 | Encoding | NRZ (03h) |
12 | 1 | BR,Nominal | Nominal baud rate, unit of 100Mbps |
13-14 | 2 | Reserved | (0000h) |
15 | 1 | Length(9um) | Link length supported for 9/125um fiber, units of 100m |
16 | 1 | Length(50um) | Link length supported for 50/125um fiber, units of 10m |
17 | 1 | Length(62.5um) | Link length supported for 62.5/125um fiber, units of 10m |
18 | 1 | Length(Copper) | Link length supported for copper, units of meters |
19 | 1 | Reserved | |
20-35 | 16 | Vendor Name | SFP vendor name |
36 | 1 | Reserved | |
37-39 | 3 | Vendor OUI | SFP transceiver vendor OUI ID |
40-55 | 16 | Vendor PN | Part Number:"LAD48-DxxS-120" (ASCII) |
56-59 | 4 | Vendor rev | Revision level for part number |
60-62 | 3 | Reserved | |
63 | 1 | CCID | Least significant byte of sum of data in address 0-62 |
Extended ID Fields | |||
64-65 | 2 | Option | Indicates which optical SFP signals are implemented (001Ah = LOS, TX_FAULT, TX_DISABLE all supported) |
66 | 1 | BR, max | Upper bit rate margin, units of % |
67 | 1 | BR, min | Lower bit rate margin, units of % |
68-83 | 16 | Vendor SN | Serial number (ASCII) |
84-91 | 8 | Date code | Manufacturing date code |
92-94 | 3 | Reserved | |
95 | 1 | CCEX | Check code for the extended ID Fields (addresses 64 to 94) |
Vendor Specific ID Fields | |||
96-127 | 32 | Readable | Specific date, read only |
Data Address | Parameter | Accuracy | Unit | Range |
96-97 | Transceiver Internal Temperature | ±3.0 | °C | 0 to +70 or -40 to +85 |
98-99 | VCC3 Internal Supply Voltage | ±3.0 | % | 3.0 to 3.6 |
100-101 | Laser Bias Current | ±10 | % | 0 to 100 |
102-103 | Tx Output Power | ±3.0 | dB | 0 to +5 |
104-105 | Rx Input Power | ±3.0 | dB | -26 to -1 |
Feature | Reference | Performance |
Electrostatic discharge(ESD) | IEC/EN 61000-4-2 | Compatible with standards |
Electromagnetic Interference (EMI) |
FCC Part 15 Class B EN 55022 Class B (CISPR 22A) |
Compatible with standards |
Laser Eye Safety | FDA 21CFR 1040.10, 1040.11 IEC/EN | Class 1 laser product |
60825-1,2 | ||
Component Recognition | IEC/EN 60950, UL | Compatible with standards |
ROHS | 2002/95/EC | Compatible with standards |
EMC | EN61000-3 | Compatible with standards |
Ordering P/Ns | Description |
LAS48-T4955S-ZR | 2.5Gb/s SFP Transceiver 1490nmTx 1550nmRx 80KM DDM, LC/UPC Receptacle, Commercial Temperature |
LAS48-T5549S-ZR | 2.5Gb/s SFP Transceiver 1550nmTx 1490nmRx 80KM DDM, LC/UPC Receptacle, Commercial Temperature |