Download Sea Tel DAC-2302 Specifications

6009-33 Broadband At Sea
6009-33 Technical Specifications
8.10. Cables
8.10.1. Antenna Control Cable (Provided from ACU to the Base MUX)
RS-422 Pedestal Interface
Type
Number of wires
Wire Gauge
Communications Parameters:
Interface Protocol:
Interface Connector:
Shielded Twisted Pairs
4
24 AWG or larger
9600 Baud, 8 bits, No parity
RS-422
DE-9P
8.10.2. Antenna L-Band IF Coax Cables (Customer Furnished)
Due to the loss across the length of the RF coaxes at L-Band, Sea Tel recommends the following 50 ohm coax
cable types (and their equivalent conductor size) for our standard pedestal installations. Type N male
connectors installed on the cables MUST be 50 Ohm connectors for the center pin to properly mate with
the female adapters we provide on the Base multiplexer panel and on the adapter bracket mounted inside the
radome next to the breaker box.:
Run
Length
Coax
Type
Typical. Loss @
1750Mhz
Shield
isolation
<100 ft
LMR-240
10.704 db per
100 ft(30.48 m)
5.571 db per
100 ft(30.48 m)
4.496 db per
100 ft(30.48 m)
3.615 db per
100 ft(30.48 m)
>90db
Center
Conductor
Size
0.056 In.
(1.42 mm)
0.108 In.
(2.74 mm)
0.142 In.
(3.61 mm)
0.176 In.
(4.47 mm)
Installed
Bend
Radius
2.5 In. (63.5
mm)
Tensile
Strength
80lb
(36.3 kg)
160lb
(72.6 kg)
260lb
(118 kg)
350lb
(158.9 kg)
PRELIMINARY
up to
150 ft
LMR-400
up to
200 ft
LMR-500
Up to
300 ft
LMR-600
>90db
>90db
>90db
4.0 in.
(101.6 mm)
5.0 In.
(127 mm)
6.0 In.
(152.4 mm)
8.10.3. Multi-conductor Cables (Customer Furnished)
Due to the voltage loss across the multi-conductor cables, Sea Tel recommends the following wire gauge for
the AC & DC multi-conductor cables used in our standard pedestal installations:
Run Length
Conductor Size
up to 50 ft
up to 100 ft
up to 150 ft
up to 250 ft
Up to 350 ft
20 AWG (0.8 mm)
18 AWG (1.0 mm)
16 AWG (1.3 mm)
14 AWG (1.6 mm)
12 AWG (2.0 mm)
8-6