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Optical equipment for cable TV

Optical receiver TERRA OD010

0
Manufacturer:
Type:
Options receiver/node:

od010.jpg

 

Benefits:

  • electronic setting of all parameters
  • AGC linked to the optical input level
  • digital indication of optical input level and other parameters on the buit-in display
  • switchable filter of ingress noises
  • uncooled FP laser diode specially developed for work with CATV reverse channel
  • built-in transmitter of data for subsystem of remote monitoring "MasterWatch"
  • buit-in internal 5 MHz pilot generator
  • sockets:

    optical - SC/APC 
    HF output and test - type F

Technical characteristics:

Type

OD010R31

OD010R32

OD010R51

OD010R52

OD010R61

OD010R62

OD010R81

OD010R82

Direct channel

Wave length

1100 – 1600 nm

Optical level at input

-7...+2 dBm

Spectral concentration of noise current

≤ 7.0 pA/√Hz

Frequency range

47 - 1002  MHz

75 - 1002  MHz

87 - 1002  MHz

108 - 1002  MHz

Impedance

75 Ω

Reflection coefficient

18 dB/40 MHz – 1.5 dB/per octave

Unevenness of amplitude-frequency characteristic

± 0.75dB

Output level (contr. AGC, 4.9% OMI)

106 dBmkV

CTB (42 chan, 4.9% OMI, 80 dBmkV)

106 dBmkV

CSO (42 chan, 4.9% OMI, 80 dBmkV)

108 dBmkV

Intercascade attenuator pr

0 – 15 dB with increments of 1dB

Intercascade corrector pr

0/3/6/9 dB

Test point

-20 dB ± 0.7 dB

Reverse channel

Laser diode type

LD

Output optical power

1 mW

2 mW

1 mW

2 mW

1 mW

2 mW

1 mW

2 mW

Wave length*

1310 nm ± 10 nm

Frequency range

5-30 MHz

5-55 MHz

5-65 MHz

5-85 MHz

Ingress noise filter

Pass band> 20  MHz, attenuation band< 15  MHz

HF input level

75-95 dBmkV

Reverse channel attenuator

0-25 dB with increments of 1 dB

Input reflection coefficient

18 dB

Pilot ton pr

5 MHz

Test point

-20 ± 0.5 dB

General

Supply

187-250 V, 50 Hz, 7 W

Working temperature range

-20...+45°C

Dimensions/Weight (in packing)

185.5x95x47 mm/0.9 kg

* -- DFB 2 mW laser diodes for CWDM (1470...1610 nm) range supplied on special order
pr – pr – switched programmatically

Remotely controlled parameters at using of a subsystem of remote monitoring “MasterWatch“:
- Input optical level
 - node internal temperature
 - current consumed by the laser
 - node status


Structural scheme:

od010-shema.jpg