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Product Detail

PTT5101 1U1550nmexternalmodulatedopticaltransmitter
                      Scheme Download:PTT5101(en).pdf
 

 

 

Description

The PTT5101 external modulated 1550nm transmitter is designed for HFC networks applications. It can optionally be equipped with an integrated EDFA for CATV applications such as  super-trunk, hub Interconnects, video overlays In FTTx networks .

The unit is available in a standard 19”,1 rack unit chassis , with dual optical output,  optional ITU-T wavelength for DWDM networks.

 

Features

  Selectable AGC (automatic gain control) or MGC (manual gain control)

  Accepts low signal input levels (75dBμV/Channel @ 77 ch NTSC)

  Unique simultaneously SBS/SPM suppressing

  Front panel LCD display

  Microprocessor control and monitor

  RS-485 interface for remote monitoring and control

  45~870 MHz bandwidth

  Patent RF pre-distortion circuit for excellent CNR and low distortion performance

  Changeable cooling fan

 

Application

  Broadcast or narrowcast transmission at long or extended distances

  Hub Interconnects Of Redundant Ring Architectures

Video Overlays In FTTx Networks.


 

 

Specifications

Description

Unit

Value

Conditions / Notes

Optical Specifications

Laser Type

 

Cooled DFB LD with isolator

 

Optical Wavelength

nm

1555 ± 5

 

Connector Type

 

SC/APC or FC/APC

 

Laser RIN Noise Density

dB/Hz

≥-160

 

Optical Power

dBm

≤7 / 9 (Optional)

 

Optical Output Port

 

2

 

SBS Suppression Threshold

dBm

131618

 

RF Specifications

Operating Bandwidth

MHz

45 to 870

 

RF Input Impedance

Ω

75

unbalanced

RF Input Return Loss

dB

≤-16

 

RF Input Level

dBµV/ch

15 to 25 (80 dBµV/ch nominal value @ 77 NTSC channels loading)

 

CNR

dB

52 (typical)

Link budget is defined by output power to 0 dBm optical input at receiver under 65km fiber link + EDFASBS setting=16dBm test conditions.

CSO

dBc

≤ -65 @ Port1

≤ -63 @ Port2

CTB

dBc

≤ -65 dBc

XM

dB

≤ -65 dB

OMI

 

3% ± 0.25

 

Flatness

dB

± 0.75

 

Connector Type

 

F type female

 

Test Point

dB

-10 ± 1

Relative to RF input power to laser @59CH PAL-D CW loading

General Specifications

Control Interface

 

RS-485 or Ethernet

 

Power Supply

 

90 to 260 VAC, 50/60 Hz, 100WMax.

 

Operating Temperature

0 to +50

 

Storage Temperature

-20 to +60

 

Operating Humidity

%

85% Max

 

Dimensions: (HxWxD)

mm

49 x 480 x 350

 

 

Ordering Information

Product Item

Description

PTT5101-07S8I-S2-S13-000

Dual 7dBm optical outputSC/APC connector860MHz bandwidthF type female RF input, Single 220VAC power , RS485 network management interface, fixed SBS threshold13dBm16dBm18dBm

PTT5101-07S8I-S2-S16-000

PTT5101-07S8I-S2-S18-000

PTT5101-07S8I-D2-EAD34-000

Dual 7dBm optical outputSC/APC connector860MHz bandwidthF type female RF input, Dual 220VAC power , Ethernet-Based SNMP network management,  Adjustable SBS threshold, ITU DWDM channel 34 wavelength.

PTT5101-09S8I-D2-EAD34-000

Dual 9dBm optical outputSC/APC connector860MHz bandwidthF type female RF input, Dual 220VAC power , Ethernet-Based SNMP network management,  Adjustable SBS threshold, ITU DWDM channel 34 wavelength.