10
Connection Descriptions
The diagrams included in this manual demonstrate the wide variety of specific connections that are
possible with the
DXE-RTR-1A,
truly
a multi-purpose device. These connections are simple and
straightforward and do not require advanced electronics skill.
Connect a regulated station power supply which provides a 1 A fused 12 Vdc to the
DXE-RTR-1A
power connector on the back panel. With the included 2.1 mm power cord, the power connector
must be wired center positive. If a station power supply is not available, connect the optional
DXE-
PSW-12D1A
Wall Transformer.
Typical interconnections between the
DXE-RTR-1A,
the transceiver, antennas and accessory
equipment are made with commonly available or easily made patch cords. Plans should be made to
locate the
DXE-RTR-1A
close to the transceiver, so instant reception antenna changes may be
made with the front panel switch.
Receive only connections must be made with either male RCA phono style patch cords or with male
F connector cables. Custom length cables with F-Connectors installed can be supplied by DX
Engineering. If RCA phono style patch cords are used, high quality connectors should be selected
for this low-noise RF application. Inexpensive audio cables may not be suitable. RCA Phono and F-
Connectors are used on DX Engineering receive devices to help prevent accidental connection to
transmitting connectors.
Transmitting RF connections on the
DXE-RTR-1A,
from RADIO to the transceiver and from
MAIN ANTENNA to the transmitting antenna system, tuner or amplifier are made with standard
PL-259 patch cables in lengths that permit locating the equipment in their proper operating
positions. Custom length cables with PL-259 connectors installed can be supplied by DX
Engineering.
The TRANSMIT GROUND keying line connection to the
DXE-RTR-1A
must be made to enable
reception with a connected receive antenna or accessory. Keying line connection from transceiver
or sequencer (grounding keying line only) for automatic relay switching of RADIO from the RX
ANT IN to the to MAIN ANT.
This connection may be shared with an amplifier-transceiver interface buffer keying input. The
diagrams in this manual show connections to transceivers with grounded-on-transmit keying line
only.
Note:
If the keying line is shared (using a "Y" adapter) with an amplifier or amplifier interface
buffer, then precautions should be taken to be certain that the transceiver to
DXE-RTR-1A
connection is not interrupted.
If the keying line connection from the transceiver to the TRANSMIT GROUND connector on the
DXE-RTR-1A
is lost, transmitted RF may cause damage to the
DXE-RTR-1A
or receiving
equipment.
