有线网络/无线网络
- Wired Network overview
- Core / Metro Network
- - OTN Switch
- Data Center
- - Router/Switch
- - Server
- Mobile Backhaul / Mobile access
- - Base Station
- - Femtocell / Small Cell
- Timing Synchronization overview
- Please refer to the "Technical Notes" for wired network/wireless network applications.
- Basic of Small Cell and precision timing devices：TN151210TD（1454KB）
- Packet Network Synchronization Solution:TN160107TD (656KB)
Wired Network overview
Core / Metro Network
OTN Switch
| Abbreviation | Definition |
|---|---|
| OTN | optical transport network |
| PHY | Physical layer chip |
| NPU | Network Processor |
| BITS | Building Integrated Timing Supply |
| SSU | Synchronization Supply Unit |
| SFP | Small form-factor pluggable |
| DSP | Digital signal processor |
| PLL | Phase-locked loop |
| E-O | Electrical to optical converter |
| O-E | Optical to Electrical converter |
Epson Product
| Category | Model | Frequency, feature | Object | |
|---|---|---|---|---|
| A | OCXO | (contact us) | 10MHz, 12.8MHz, 20MHz, High stability and accuracy |
Stratum3, Stratum3E,GPS master clock |
| B | VCXO | VG7050EBN | 698.812335MHz, 794.727753MHz, LV-PECL output |
OTU4, OTU4V |
| B | VCXO | VG7050ECN | 698.812335MHz, 794.727753MHz, LV-PECL output, Programmable VCXO |
OTU4, OTU4V |
| C | VCXO | VG7050EBN | 698.812335MHz, 794.727753MHz, LV-PECL output |
OTU4, OTU4V |
| C | VCXO | VG7050ECN | 698.812335MHz, 794.727753MHz, LV-PECL output, Programmable VCXO |
OTU4, OTU4V |
| D | VCSO | EV1409EAN
EV1409SAN (contact us) |
1.747030837GHz, 1.98619383GHz, LV-PECL or Sine wave output, Low phase jitter |
Digital Coherent |
| E | VCSO | EV1409EAN
EV1409SAN (contact us) |
1.747030837GHz, 1.98619383GHz, LV-PECL or Sine wave output, Low phase jitter |
Digital Coherent |
Data Center
Router/Switch
| Abbreviation | Definition |
|---|---|
| 10GbE | 10 Gigabit Ethernet |
| FIC | Fabric Interface Chip |
| FC | Fabric Chip |
| VOQ | Virtual Output Queuing |
| XAUI | 10 Gigabit(X) Attachment Unit Interface 3.125Gbpsx4 |
| FPGA | Field-Programmable Gate Array |
| SFP | Small form-factor pluggable |
| SFP+ | Enhanced small form-factor pluggable |
| PHY | Physical layer chip |
| CPU | Central Processing Unit |
| SFI | Serdes Framer Interface |
Epson Product
| Category | Model | Frequency, feature | Object | |
|---|---|---|---|---|
| A | Multi-output OSC | MG7050EAN
MG7050VAN |
156.25MHz x 4out, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
| B | Multi-output OSC | MG7050EAN
MG7050VAN |
156.25MHz x 4out, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
| C | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
312.5MHz, Low jitter and low phase noise by SAW unit |
Ethernet |
| D | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
312.5MHz, Low jitter and low phase noise by SAW unit |
Ethernet |
| E | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
133.33MHz, 200MHz, Low jitter and low phase noise by SAW unit |
Memory access |
Server
| Abbreviation | Definition |
|---|---|
| IOH | Input/Output Hub |
| FC | Fibre Channel |
| CPU | Central Processing Unit |
| SAS | Serial attached SCSI |
| IB | InfiniBand |
| Clock-gen | Clock generator |
| QPI | Intel QuickPath Interconnect |
| DDR3 | double data rate type three |
| 10GbE | 10 Gigabit Ethernet |
| PCIe | PCI Express |
| SERDES | SERializer/DESerializer |
Epson Product
| Category | Model | Frequency, feature | Object | |
|---|---|---|---|---|
| A | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
133MHz, Low jitter and low phase noise by SAW unit |
Memory access |
| B | Multi-output OSC | MG7050EAN
MG7050VAN |
100MHz x4, SAW-Based Differential Multi Output, Ultra Low jitter |
PCIe |
| C | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
150MHz, Low jitter and low phase noise by SAW unit |
Serial Attached SCSI, SATA |
| D | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
156.25MHz, Low jitter and low phase noise by SAW unit |
Ethernet |
| E | Crystal OSC (SPSO) | XG-2121CA
XG-2102CA |
150MHz, Low jitter and low phase noise by SAW unit |
Serial Attached SCSI, SATA |
| F | Multi-output OSC | MG7050EAN
MG7050VAN |
156.25MHz x 2out, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
| G | Multi-output OSC | MG7050EAN
MG7050VAN |
125MHz, 150MHz, 212.5MHz, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
Mobile Backhaul / Mobile access
Base Station Block Diagram
| Abbreviation | Definition |
|---|---|
| FPGA | Field-Programmable Gate Array |
| Rapid IO | High speed interface for Processor |
| 10GbE | 10 Gigabit Ethernet |
| Buff | Buffer |
| VCO | Voltage-controlled oscillator |
| FN-PLL | Fractional-N phase-locked loop |
| PLL | Pphase-locked loop |
| DAC | Digital to Analog Converter |
| LNA | Low-noise amplifier |
| PA | Power amplifier |
| CPRI | Common Public Radio Interface |
| OBSAI | Open Base Station Architecture Initiative |
| SERDES | SERializer/DESerializer |
| RRH | Remote Radio Head |
| RF | Radio Frequency |
| DSP | Digital signal processor |
| IEEE | The Institute of Electrical and Electronics Engineers, Inc |
| GPS | Global Positioning System |
Epson Product
| Category | Model | Frequency, feature | Object | |
|---|---|---|---|---|
| A | MOSO | MG7050EAN
MG7050VAN |
125MHz, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
| A | Crystal OSC (SPXO) | SG-210SEH
SG-210SDH SG-210SCH |
125MHz, High stability |
Ethernet |
| B | MOSO | MG7050EAN
MG7050VAN |
125MHz, 156.25MHz, SAW-Based Differential Multi Output, Ultra Low jitter |
Ethernet |
| B | Crystal OSC (SPXO) | SG-210SEH
SG-210SDH SG-210SCH |
125MHz, 156.25MHz, High stability | Ethernet |
| C | Real Time Clock (built in crystal unit) |
RX-8803LC | 32.768kHz, I2C Interface, Built-in DTCXO, High Stability |
Maintenance |
| C | Real Time Clock (built in crystal unit) |
RX-4803LC | 32.768kHz, SPI Interface, Build-in DTCXO, High Stability |
Maintenance |
| D | OCXO | (contact us) | 10MHz, 30.72MHz, High stability and accuracy | Stratum3, Stratum3E,GPS master clock |
| E | VCXO | VG-4231CE
VG-4231CB VG-4231CA |
30.72MHz, 61.44MHz, Wide Pull Range |
CPRI,OBSAI |
| E | VCXO | VG-4513CA
VG-4513CB |
122.88MHz, Wide Pull Range |
CPRI |
| F | VCXO | VG-4231CE
VG-4231CB VG-4231CA |
30.72MHz, 61.44MHz, Wide Pull Range |
CPRI,OBSAI |
| F | VCXO | VG-4513CA
VG-4513CB |
122.88MHz, 245.76MHz, Wide Pull Range |
CPRI |
Femtocell/Small Cell
| Abbreviation | Definition |
|---|---|
| RF | Radio Frequency |
| Rx/Tx | Receiver/Transceiver |
| DDR | double data rate |
| BPF | Band-pass filter |
| LNA | Low-noise amplifier |
| PA | RF power amplifier |
| USIM | User Identity Module |
| PHY | Physical layer chip |
| SRAM | Static Random Access Memory |
| GPS | Global Positioning System |
Epson Product
| Category | Model | Frequency, feature | Object | |
|---|---|---|---|---|
| A | TCXO | TG5032CBN
TG5032SBN TG5032CAN TG5032SAN |
19.2MHz, 26MHz, 30.72MHz, Ultra high stability |
IEEE1588 Synchronization, RF master clock |
| B | Crystal OSC (SPXO) | SG-210STF | 50.0MHz, High stability | Base Band Processor |
| C | MHz Crystal | FA-238 | 25.0MHz | Ethernet-IC with oscillation circuit |
| C | Crystal OSC (SPXO) | SG-210SEH
SG-210SDH SG-210SCH |
125MHz, High stability | Ethernet-IC without oscillation circuit |
Timing Synchronization overview
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