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Address: 4F, Building 4, GuoLe Technology Park, LiRong RD, DaLang, LongHua Dist. Shenzhen, China
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LC DDM Single Mode Fiber Transceiver Cisco 40G QSFP+ LR4 SM 1310nm 10km
Description
Cisco Compatible 40G QSFP+ LR4 SM 1310nm 10km LC DDM Transceiver
Module manufactured by ANC International Co., Limited is a
transceiver module designed for 2m-10km optical communication
applications. The design is compliant to 40GBASE-LR4 of the IEEE
P802.3ba standard. The module converts 4 inputs channels (ch) of
10Gb/s electrical data to 4 CWDM optical signals, and multiplexes
them into a single channel for 40Gb/s optical transmission.
Reversely, on the receiver side, the module optically de-
multiplexes a 40Gb/s input into 4 CWDM channels signals, and
converts them to 4 channel output electrical data.
The central wavelengths of the 4 CWDM channels are 1271, 1291, 1311
and 1331 nm as members of the CWDM wavelength grid defined in ITU-T
G.694.2. It contains a duplex LC connector for the optical
interface and a 148-pin connector for the electrical interface. To
minimize the optical dispersion in the long-haul system,
single-mode fiber (SMF) has to be applied in this module.
The product is designed with form factor, optical/electrical
connection and digital diagnostic interface according to the QSFP+
Multi-Source Agreement (MSA). It has been designed to meet the
harshest external operating conditions including temperature,
humidity and EMI interference.
Features
Compliant with 40G Ethernet IEEE802.3ba and 40GBASE-LR4 Standard
QSFP+ MSA compliant
Compliant with QDR/DDR Infiniband data rates
Up to 11.2Gb/s data rate per wavelength
4 CWDM lanes MUX/DEMUX design
Up to 10km transmission on single mode fiber (SMF)
Operating case temperature: 0 to 70℃
Maximum power consumption 3.5W
LC duplex connector
RoHS compliant
Applications
40GBASE-LR4 Ethernet Links
Infiniband QDR and DDR interconnects
Client-side 40G Telecom connections
Optical Characteristics (TOP=25°C, Vcc=3.3 Volts)
| Parameter | Symbol | Min | Typical | Max | Units | Notes |
Wavelength Assignment | L0 | 1264.5 | 1271 | 1277.5 | nm | |
| L1 | 1284.5 | 1291 | 1297.5 | nm | ||
| L2 | 1304.5 | 1311 | 1317.5 | nm | ||
| L3 | 1324.5 | 1331 | 1337.5 | nm | ||
| Transmitter | ||||||
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||
| Total Average Launch Power | 8.3 | dBm | ||||
| Average Launch Power, each Lane | -7 | 2.3 | dBm | |||
| Optical Modulation Amplitude (OMA), each Lane | -4 | 3.5 | dBm | 1 | ||
| Difference in Launch Power between any Two Lanes (OMA) | 6.5 | dB | ||||
| Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane | -4.8 | dBm | ||||
| TDP, each Lane | TDP | 2.6 | dB | |||
| Extinction Ratio | ER | 3.5 | dB | |||
| Relative Intensity Noise | RIN | -128 | dB/Hz | 12dB reflection | ||
| Optical Return Loss Tolerance | TOL | 20 | dB | |||
| Transmitter Reflectance | -12 | dB | ||||
| Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} | {0.25,0.4,0.45,0.25,0.28,0.4} | |||||
| Average Launch Power OFF Transmitter, each Lane | -30 | dBm | ||||
| Receiver | ||||||
| Damage Threshold, each Lane | 3.3 | dBm | 2 | |||
| Total Average Receive Power | 8.3 | dBm | ||||
| Average Receive Power, each Lane | -13.7 | 2.3 | dBm | |||
| Receiver Reflectance | -26 | dB | ||||
| Receive Power (OMA), each Lane | 3.5 | dBm | ||||
| Receiver Sensitivity (OMA), each Lane | SEN | -11.5 | dBm | |||
| Stressed Receiver Sensitivity (OMA), each Lane | -9.6 | dBm | 3 | |||
| Difference in Receive Power between any Two Lanes (OMA) | 7.5 | dB | ||||
| LOS Assert | LOSA | -28 | dBm | |||
| LOS Deassert | LOSD | -15 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB | |||
| Receiver Electrical 3 dB upper Cutoff Frequency, each Lane | 12.3 | GHz | ||||
Notes:
1. Even if the TDP < 0.8 dB, the OMA min must exceed the minimum
value specified here.
2. The receiver shall be able to tolerate, without damage,
continuous exposure to a modulated optical input signal having this
power level on one lane. The receiver does not have to operate
correctly at this input power.
3. Measured with conformance test signal at receiver input for BER
= 1x10-12.
4. Vertical eye closure penalty and stressed eye jitter are test
conditions for measuring stressed receiver sensitivity. They are
not characteristics of the receiver.
