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OPT-ETRx-4
10/100/1000 BASE-T Copper SFP Transceiver
OPT-ETRx-4
Product Description
The ER4 is a transceiver module designed for 40km optical communication applications. The design is compliant to 40GBASE-ER4 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 demultiplexes 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 G694.2. It contains a duplex LC Adapter for the optical interface and a 38-pin adapter 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.
The module operates from a single +3.3V power supply and LVCMOS/LVTTL global control signals such as Module Present, Reset, Interrupt and Low Power Mode are available with the modules. A 2-wire serial interface is available to send and receive more complex control signals and to obtain digital diagnostic information. Individual channels can be addressed and unused channels can be shut down for maximum design flexibility.
The TQP10 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. The module offers very high functionality and feature integration, accessible via a two-wire serial interface.
Product Features
1. 4 CWDM lanes MUX/DEMUX design.
2. Up to 11.2Gbps per channel bandwidth.
3. Aggregate bandwidth of > 40Gbps.
4. Duplex LC connector.
5. Compliant with 40G Ethernet IEEE802.3ba and 40GBASE-ER4 Standard.
6. QSFP MSA compliant.
7. APD photo-detector.
8. Up to 40 km transmission.
9. Compliant with QDR/DDR Infini band data rates.
10. Single +3.3V power supply operating.
11. Built-in digital diagnostic functions.
12. Temperature range 0°C to 70°C.
13. RoHS Compliant Part.
Applications
1. Rack to rack.
2. Data centers Switches and Routers.
3. Metro networks.
4. Switches and Routers.
5. 40G BASE-ER4 Ethernet Links.
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Transmitter |
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Single Ended Output Voltage Tolerance |
|
0.3 |
|
4 |
V |
1 |
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Common mode Voltage Tolerance |
|
15 |
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|
mV |
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Transmit Input Diff Voltage |
VI |
150 |
|
1200 |
mV |
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|
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Transmit Input Diff Impedance |
ZIN |
85 |
100 |
115 |
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Data Dependent Input Jitter |
DDJ |
|
0.3 |
|
UI |
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Receiver |
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Single Ended Output Voltage Tolerance |
|
0.3 |
|
4 |
V |
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Rx Output Diff Voltage |
Vo |
370 |
600 |
950 |
mV |
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Rx Output Rise and Fall Voltage |
Tr/Tf |
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|
35 |
ps |
1 |
|
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Total Jitter |
TJ |
|
0.3 |
|
UI |
|
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Note:
1.20～80%
Optical Parameters (TOP = 0 to 70 °C, VCC = 3.0 to 3.6 Volts)
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Ref. |
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Transmitter |
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Wavelength Assignment |
L0 |
1264.5 |
1271 |
1277.5 |
nm |
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L1 |
1284.5 |
1291 |
1297.5 |
nm |
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|
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L2 |
1304.5 |
1311 |
1317.5 |
nm |
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|
|
L3 |
1324.5 |
1331 |
1337.5 |
nm |
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Side-mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
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Total Average Launch Power |
PT |
- |
- |
10.5 |
dBm |
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Transmit OMA per Lane |
TxOMA |
0 |
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5.0 |
dBm |
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Average Launch Power, each Lane |
TXPx |
0 |
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5.0 |
dBm |
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Difference in Launch Power between any two Lanes (OMA) |
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- |
- |
4.7 |
dB |
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TDP, each Lane |
TDP |
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|
2.6 |
dB |
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Extinction Ratio |
ER |
5.5 |
6.5 |
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dB |
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Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} |
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{0.25,0.4,0.45,0.25,0.28,0.4} |
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|
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Optical Return Loss Tolerance |
|
- |
- |
20 |
dB |
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Average Launch Power OFF Transmitter, each Lane |
Poff |
|
|
-30 |
dBm |
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Relative Intensity Noise |
Rin |
|
|
-128 |
dB/HZ |
1 |
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Optical Return Loss Tolerance |
|
- |
- |
12 |
dB |
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|
|
Receiver |
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|||
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Damage Threshold |
THd |
0 |
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dBm |
1 |
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Receiver Sensitivity (OMA) per Lane |
Rxsens |
-21 |
|
-6 |
dBm |
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Receiver Power (OMA), each Lane |
RxOMA |
- |
- |
-4 |
dBm |
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Stressed Receiver Sensitivity (OMA) per Lane |
SRS |
|
|
-16.8 |
dBm |
|
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RSSI Accuracy |
|
-2 |
|
2 |
dB |
|
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Receiver Reflectance |
Rrx |
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|
-26 |
dB |
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Receive Electrical 3 dB upper Cutoff Frequency, each Lane |
|
|
|
12.3 |
GHz |
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LOS De-Assert |
LOSD |
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|
-23 |
dBm |
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LOS Assert |
LOSA |
-33 |
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|
dBm |
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LOS Hysteresis |
LOSH |
0.5 |
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|
dB |
|
Note
1. 12dB Reflection
Diagnostic Monitoring Interface
Digital diagnostics monitoring function is available on all QSFP+ ER4. A 2-wire serial interface provides user to contact with module. The structure of the memory is shown in flowing. The memory space is arranged into a lower, single page, address space of 128 bytes and multiple upper address space pages. This structure permits timely access to addresses in the lower page, such as Interrupt
Flags and Monitors. Less time critical time entries, such as serial ID information and threshold settings, are available with the Page Select function. The interface address used is A0xh and is mainly used for time critical data like interrupt handling in order to enable a one-time-read for all data related to an interrupt situation. After an interrupt, Intl has been asserted, the host can read out the flag field to determine the affected channel and type of flag.
EEPROM Serial ID Memory Contents (A0h)
|
Data Address |
Length (Byte) |
Name of Length |
Description and Contents |
|
Base ID Fields |
|||
|
128 |
1 |
Identifier |
Identifier Type of serial Module(D=QSFP+) |
|
129 |
1 |
Ext. Identifier |
Extended Identifier of Serial Module(90=2.5W) |
|
130 |
1 |
Connector |
Code of connector type(7=LC) |
|
131-138 |
8 |
Specification compliance |
Code for electronic compatibility or optical compatibility(40GBASE-LR4) |
|
139 |
1 |
Encoding |
Code for serial encoding algorithm(5=64B66B) |
|
140 |
1 |
BR, Nominal |
Nominal bit rate, units of 100 MB its/s(6C=108) |
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141 |
1 |
Extended rates elect Compliance |
Tags for extended rate select compliance |
|
142 |
1 |
Length (SMF) |
Link length supported for SMF fiber in km (28=40KM) |
|
143 |
1 |
Length (OM3 50um) |
Link length supported for EBW 50/125um fiber (OM3), units of 2m |
|
144 |
1 |
Length (OM2 50um) |
Link length supported for 50/125um fiber (OM2), units of 1m |
|
145 |
1 |
Length (OM1 62.5um) |
Link length supported for 62.5/125um fiber (OM1), units of 1m |
|
146 |
1 |
Length (Copper) |
Link length of copper or active cable, unites of 1m Link length supported for 50/125um fiber (OM4), units of 2m when Byte 147 declares 850nm VCSEL as defined in Table 37 |
|
147 |
1 |
Device tech |
Device technology |
|
148-163 |
16 |
Vendor name |
QSFP+ vendor name: TIBTRONIX (ASCII) |
|
164 |
1 |
Extended Module |
Extended Module codes for InfiniBand |
|
165-167 |
3 |
Vendor OUI |
QSFP+ vendor IEEE company ID (000840) |
|
168-183 |
16 |
Vendor PN |
Part number: TQPLFG40D (ASCII) |
|
184-185 |
2 |
Vendor rev |
Revision level for part number provided by vendor (ASCII) (X1) |
|
186-187 |
2 |
Wave length or Copper cable Attenuation |
Nominal laser wavelength (wavelength=value/20 in nm) or copper cable attenuation in dB at 2.5GHz (Adrs 186) and 5.0GHz (Adrs 187) (65A4=1301) |
|
188-189 |
2 |
Wavelength tolerance |
Guaranteed range of laser wavelength (+/- value) from nominal wavelength. (wavelength Tol=value/200 in nm) (1C84=36.5) |
|
190 |
1 |
Max case temp |
Maximum case temperature in degrees C (70) |
|
191 |
1 |
CC_BASE |
Check code for base ID fields (addresses 128-190) |
Transceiver Block Diagram
Mechanical Dimensions
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OPT-ETRx-4
OPT-ETRx-4 Copper Small Form Pluggable (SFP) transceivers are based on the SFP Multi Source Agreement (MSA). They are compatible with the Gigabit Ethernet standards as specified in IEEE STD 802.3. The 10/100/1000 BASE-T physical layer IC (PHY) can be accessed via 12C, allowing access to all PHY settings and features.
The OPT-ETRx-4 is compatible with 1000BASE-X auto-negotiation, and have a link indication feature. PHY is disabled when TX disable is high or open.
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