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.
• 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 |
Maximum Supply Voltage | Vcc3 | ‑0.5 | 4.0 | V | |
Storage Temperature | TS | ‑40 | 85 | °C | |
Case Operating Temperature | Tcase | 0 | 70 | °C |
Electrical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
Supply Voltage #2 | Vcc3 | 3.13 | 3.45 | 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 |
10G SFP+ LR 1310 nm 40 km
10G SFP+ LR 1310 nm 20 km
10G SFP+ LR 1310 nm 10 km
10G SFP+ LRM 1310 nm 2 km
10G SFP+ ER 1550 nm 40 km
10G SFP+ CDR 1550 nm 100 km
10G SFP+ ZR 1550 nm 80 km
10G SFP+ 850 nm 300 m
10G SFP+ Tunable DWDM 80 km
10G SFP+ DWDM 80 km
10G SFP+ DWDM 40 km
10G SFP+ CWDM 80 km
10G SFP+ CWDM 2733 60 km
10G SFP+ CWDM 40 km
10G SFP+ CWDM 10 km
10G SFP+ CWDM 2733 40 km
10G SFP+ CWDM 2733 10 km
10G XFP LR 1310 nm 10 km
10G XFP ER 1550 nm 40 km
10G XFP ZR 1550 nm 80 km
10G XFP CWDM 2633 60 km
10GBASE-T SFP+ Copper RJ45 30 m
10G SFP+ CWDM 1610 80 km
10GB SFP+ Copper RJ45 30 m
16G SFP+ FC 850 nm 100 m
8.5G SFP+ SR 850 nm 150 m
6.25G SFP+ LRM 1330 nm 2 km
6.25G SFP+ SR 850 nm 300 m