Supplying Power To The Preamp Unit - Furuno FAX-30 Operator's Manual

7. INSTALLATION
Inner Conductor
Dia.
Stranding
Type
(mm)
(No./mm)
0.5
3C-2V 1/0.5
0.8
5C-2V 1/0.8
1.2
7C-2V 7/0.4
1.4
5D-2V 1/1.4
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.
3. Set the jumper block J23 in the "ACT(IVE)" position. See the figure below for
the "ACT" position.
4. Close the cover and connect the power cable.
7-6
JIS cable specifications
Insulation Outer Conductor
Thick Dia Braid
Dia./
(mm) (mm)
1.3 3.1 0.14/5/24
2.05 4.9 0.14/7/24
3.05 7.3 0.18//8/24
1.7 4.8 0.14/7/24
J23
ACT WIRE
FAX-30, top view, cover removed
Jacket
Dia. Thick Dia.
(mm) (mm) (mm)
Pitch
26 3.8 0.8 5.4±0.5
42 5.7 0.9 7.4±0.5
45 8.2 1.1 10.4±0.5
42 5.5 0.9 7.3±0.5
FAX-30, top view
J23
Cond. Nominal Capa-
resistance attenuation citance
(Max.)
(20°C) 10 MHz (pF/m)
(Ω/km) (dB/km)
91.4 42 67±3
35.9 27 67±3
20.7 22 67±3
11.7 27 100±4
Approx.
mass
(kg/km)
42
74
140
80