有线网络/无线网络

Wired Network overview

Wired Network overview

Core / Metro Network

OTN Switch

Function Block Diagram
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
1.747030837GHz, 1.98619383GHz,
LV-PECL or Sine wave output,
Low phase jitter
Digital Coherent
E VCSO EV1409EAN
EV1409SAN
1.747030837GHz, 1.98619383GHz,
LV-PECL or Sine wave output,
Low phase jitter
Digital Coherent

Data Center

Router/Switch

Function Block Diagram
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

Function Block Diagram
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

Function 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

Function Block Diagram
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

Wired Network overview
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