ASCENT’s XFP-AT-LP-31-20 Small Form Factor 10 G (XFP) transceivers are designed for use in 10-Gigabit Ethernet links up to 20km over single mode fiber. This XFP LR transceiver module is widely used in applications such as Internet Service Provider (ISP) Fiber To The Home (FTTH) aggregation and backbone, Various Data Communication 10G Ethernet & SONET OC‐192 /SDH, 1200‐SM‐LL‐L 10G Fibre Channel Links, Data Center networking for Ethernet and Fiber Channel SAN Networking and other optical links. The module features a highly reliable 1310nm DFB transmitter and PIN photo-detector into duplex LC optical connector. It compliant with the current XFP Multi-Source Agreement (MSA) Specification1. They comply with 10-Gigabit Ethernet 10GBASE-LR/LW per IEEE 802.3ae and 10G Fiber Channel. Digital diagnostics functions are available via a 2- wire serial interface, as specified in the XFP MSA. The transceiver is RoHS compliant and lead-free per Directive 2002/95/EC3.
• Hot-pluggable XFP footprint
• Supports 9.95 Gb/s to 11.3 Gb/s bit rates
• XFI Loopback Mode
• RoHS-6 Compliant (lead-free)
• Power dissipation < 2.0 W
• Case temperature range: 0 °C to 70 °C
• Maximum link length of 20 km
• DFB laser and PIN receiver
• Full Duplex LC connector
• No Reference Clock required
• Built-in digital diagnostic functions
• Standard bail release mechanism
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit Note |
Maximum Supply Voltage | Vcc3 | ‑0.5 | 4.0 | V | |
Storage Temperature | TS | ‑40 | 85 | °C | |
Case Operating Temperature | Tcase | 0 | 70 | °C Commercial |
Electrical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
Supply Voltage #2 | Vcc3 | 3.1 | 3.3 | 3.5 | V | |
Supply Current – Vcc3 Supply | Icc3 | 600 | mA | |||
Module Total Power | P | 2.0 | W | 1 | ||
Transmitter | ||||||
Input Differential Impedance | Rin | 100 | Ω | 2 | ||
Differential Data Input Swing | Vin,pp | 120 | 820 | mV | ||
Transmit Disable Voltage | VD | 2.0 | Vcc | V | 3 | |
Transmit Enable Voltage | VEN | GND | GND+ 0.8 | V | ||
Transmit Disable Assert Time | 10 | µs | ||||
Receiver | ||||||
Differential data output swing | Vout,pp | 340 | 650 | 850 | mV | 4 |
LOS Fault | VLOS fault | Vcc – 0.5 | VccHOST | V | 5 | |
LOS Normal | VLOS norm | GND | GND+0.5 | V | 5 |
Notes:
1. Maximum total power value is specified across the full temperature and voltage range.
2. After internal AC coupling.
3. Or open circuit.
4. Into 100 Ω differential termination.
6. Loss Of Signal is open collector to be pulled up with a 4.7 kΩ to 10 kΩ resistor to 3.15 – 3.6V. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
Optical Characteristics
Parameter | Symbol | Min | Typ. | Max | Unit | Note |
Transmitter | ||||||
Average Optical Power | Pout | ‑6 | ‑1 | dBm | ||
Optical Wavelength | λ | 1290 | 1310 | 1330 | nm | |
Side mode Suppression ratio | SMSR | 30 | dB | |||
Optical Extinction Ratio | ER | 3.5 | dB | |||
Average Launch Power of OFF Transmitter | POFF | ‑30 | dBm | |||
Tx Jitter | Txj | Compliant with 802.3ae requirements | ||||
Receiver | ||||||
Receiver Sensitivity | RSEN | ‑15 | dBm | 1 | ||
Input Saturation Power (Overload) | Psat | 0.5 | dBm | |||
Wavelength Range | λC | 1270 | 1610 | nm | ||
Receiver Reflectance | Rrx | ‑14 | dB | |||
LOS De‑Assert | LOSD | ‑18 | dBm | |||
LOS Assert | LOSA | ‑32 | dBm | |||
LOS Hysteresis | 0.5 | dB |
Notes:
1. Measured with BER < 10‑12 @ 10.3 Gbps, 231 ‑ 1 PRBS.
General Specifications
Parameter | Symbol | Min | Typ | Max | Units | Note |
Bit Rate | BR | 9.95 | 11.3 | Gb/s | 1 | |
Bit Error Ratio | BER | 10‑12 | 2 | |||
Max. Supported Link Length | LMAX | 20 | km | 1 |
Notes:
1. 10GBASE‑LR/LW.
2. Tested with 10.3 Gbps, 231 ‑ 1 PRBS.
Regulatory Compliance
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 60825‑1, 2 | Class 1 laser product |
Component Recognition | IEC/EN 60950, UL | Compatible with standards |
ROHS | 2002/95/EC | Compatible with standards |
EMC | EN61000‑3 | Compatible with standards |
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