4 supplying power to the preamp unit, Jis cable specifications – Furuno FAX-30 User Manual

Page 88

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7. INSTALLATION

7-6

JIS cable specifications

Inner Conductor

Insulation

Outer Conductor

Jacket

Braid

Type

Stranding

(No./mm)

Dia.

(mm)

Thick

(mm)

Dia

(mm)

Dia./

Pitch

Dia.
(mm)

Thick
(mm)

Dia.
(mm)

Cond.
resistance
(Max.)
(20°C)
(Ω/km)

Nominal
attenuation

10 MHz
(dB/km)

Capa-
citance

(pF/m)

Approx.
mass

(kg/km)

3C-2V 1/0.5

0.5 1.3 3.1 0.14/5/24

26 3.8 0.8 5.4±0.5 91.4

42

67±3 42

5C-2V 1/0.8

0.8 2.05 4.9 0.14/7/24

42 5.7 0.9 7.4±0.5 35.9

27

67±3 74

7C-2V 7/0.4

1.2 3.05 7.3 0.18//8/24

45 8.2 1.1 10.4±0.5

20.7

22

67±3 140

5D-2V 1/1.4

1.4 1.7 4.8 0.14/7/24

42 5.5 0.9 7.3±0.5 11.7

27

100±4 80


7.4

Supplying Power to the Preamp Unit

The preamp unit is powered with 12 VDC power fed from the facsimile receiver.
To power the preamp unit, do the following:

1. Disconnect the power cable from the FAX-30.
2. Unfasten eight screws marked with the arrows below to remove the cover.

FAX-30, top view

3. Set the jumper block J23 in the “ACT(IVE)” position. See the figure below for

the “ACT” position.

MAIN Board 08P3218

RCV Board 08P3219

J23

ACT WIRE

J23

FAX-30, top view, cover removed

4. Close the cover and connect the power cable.

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