User Manual

Table Of Contents
DE
DANIELS
ELECTRONICS
1-4 VT-4R150 VHF Project 25
Digital
Transmitter
Instruction
Manual
1.5.3
Physical
Specifications
Physical
Dimensions:
Width:
Height:
Depth:
7.1 cm
(2.8
in) 12.8 cm
(5.05
in) 19 cm
(7.5
in)
Module
Weight:
1.4 kg
(3.0
lbs.)
Corrosion
Prevention:
Anodized
aluminum
construction. Stainless steel hardware.
Selectively
conformal
coated
glass epoxy 2 and 4 layer printed
circuit
boards.
Gold
plated
module connectors.
Module
Design:
Compact Eurostandard modular design. Plug-in modules
mate
with
Daniels
standard M3
repeater
subrack. Subracks /
modules comply with IEEE 1101, DIN 41494 and IEC 297-3
(mechanical
size / modular arrangement).
External
Connections:
RF
Connection:
type N connector
located
on the
transmitter
module front panel.
Motherboard
Connections (Audio,
Power,
and Control) are made through a 48 pin, gold plated,
type F
connector
on the rear of the
transmitter
module. User
connection
made through
mated
"mother board" assembly of
the
repeater
subrack. Type F standard
connector
complies
with DIN 41612
Level
2 (200
mating
cycles, 4 day 10 ppm
SO2 gas test with no
functional
impairment
and no change in
contact
resistance).
Digital
I/O:
8-pin RJ-45
Handle Text Colour: Red