System Description
Dual System Selector (DSS)
OceanTRx
TM
4-500 Installation and Operations Manual
2-7
2.4.1.2
DSS Rear Panel Interfaces
The DSS rear panel contains the power interfaces, and connections to the CCU and
second antenna unit (ADE).
NOTE: BDE equipment pinouts are provided in
Appendix D.
Figure
2-6: DSS Rear Panel
Table
2-4: DSS Rear panel Interfaces
Interface
Function
ADE2
N-Type. Connects to the ADE-BDE coaxial cable
on the second system
CCU - RX
F-Type. Input, connects to the CCU RX port
CCU - TX
F-Type. Output, connects to the CCU TX port
MODEM - RX
F-Type. Output, connects to the CFE modem RX
port
MODEM - TX
F-Type. Input, connects to the CFE modem TX
port in systems with a CCU without 10MHz and to
the CCU AUX-IF2 port with a CCU with 10MHz
LAN
R-J45. Connects to one of the CCU LAN ports
AUX COM
D-Type. 15-pin - passes switching commands
from CCU to the DSS.
Connects to the CCU AUX COM port
POWER
Connects to the mains AC power
POWER
Turns the power to the internal DSS power supply
ON or OFF
ATTN-1
Raises or lowers attenuation of the first system
(attached to the CCU) Tx signal in 1dB steps
ATTN-2
Raises or lowers attenuation of the second
system (attached to the DSS) Tx signal in 1dB
steps
ATTENUATION-2 RX Turns Rx attenuation of the second system ON or
OFF (8dB Attenuation)
ATTENUATION-2 TX Turns Tx attenuation of the second system ON or
OFF (15dB Attenuation)
