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Block diagram in – Grass Valley 8935CF User Manual

Page 22

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22

8935CF — Instruction Manual

Installation

Figure 15. CWDM Configuration

8543_10

8939FCA

8935CF

Fiber Out 1

to 1610nm

Fiber In 1

from 1610nm

Fiber In 2

from 1590nm

Fiber In 3

from 1570nm

Fiber In 4

from 1550nm

Fiber Out 3

to 1570nm

Fiber Out 4

to 1550nm

Fiber Out 2

to 1590nm

Fiber Out 1

to 1530nm

Fiber Out 3

to 1490nm

Fiber Out 4

to 1470nm

Fiber Out 2

to 1510nm

Electr

ical

Inputs

Multiple

x

e

r

Dem

ultiple

x

e

r

T

op Submodule

Bottom Submodule

8935CF

SFP-CWDM-3

1550nm & 1570nm

Fiber In 1

from 1530nm

Fiber In 2

from 1510nm

Fiber In 3

from 1490nm

Fiber In 4

from 1470nm

T

op Submodule

SFP-CWDM-4

1590nm & 1610nm

Bottom Submodule

SFP-CWDM-1

1470nm & 1490nm

SFP-CWDM-2

1510nm & 1530nm

8935FC

T

o

p Submodule

Bottom Submodule

SFP-DRX-1

1270 > 1610nm

T

o

p Submodule

SFP-DRX-1

1270 > 1610nm

Bottom Submodule

SFP-DRX-1

1270 > 1610nm

SFP DRX-1

1270 > 1610nm

COM

EXP

CH1

1470nm

CH2

1490nm

CH4

1530nm

CH3

1510nm

CH4

1570nm

CH5

1550nm

CH8

1610nm

CH7

1590nm

8939FCA

COM

EXP

CH1

1470nm

CH2

1490nm

CH4

1530nm

CH3

1510nm

CH4

1570nm

CH5

1550nm

CH8

1610nm

CH7

1590nm

8935FC

Electr

ical

Outputs

Location A

Location B

8935FC Fiber Inputs

1

2

4

3

IN

IN

8935CF Fiber Outputs

1

2

4

3

OUT

OUT

Gec

k

oFle

x Fiber-Ready Module

1310-DTL

Submodule

Gec

k

oFle

x Fiber-Ready Module

1310-DRL

Submodule

Ch 1

Ch 2

Ch 3

Ch 4

Ch 1

Ch 2

Ch 3

Ch 4

Coax In

Fiber Out

Ch 1

Coax

Ouputs

Ch 3

Ch 4

Ch 2

Ch 1

Ch 2

Ch 3

Ch 4

Ch 1

Ch 3

Ch 4

Ch 2

Ch 1

Ch 2

Ch 3

Ch 4

Note:

In this configur

ation (8959CF

A to 8939CF

A utilizing CWDM tr

ansmitters), if the distance betw

een 8939CF

A modules is l

ess than 12 km (7.5 m),

a 3 dB atten

uator m

ust be installed some

where betw

een the COM por

ts on the 8939CF

A modules to pre

v

e

nt o

v

erdr

iving the receiv

er

causing bit errors

to occur on the link.

*

Distance of

up to 50km

( see note

for inline

atten

uation

requirements)

*

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