350-Watt Digital VHF LB Transmitter
Chapter 3, Installation and Setup Procedure
DT325B, Rev. 0
3-6
Figure 3-4: Rear View of Driver/Amplifier Chassis Assembly
Table 3-1: Rear Chassis Connections for the Digital Driver/Amplifier Chassis Assembly.
Port
Type
Function
Impedance
J1
IEC
AC Input
N/A
TB02 Term
(NOT USED) Base Band Audio Input
600O
J3
BNC
(NOT USED) Composite Audio Input
75O
J4
BNC
(NOT USED) SAP / PRO Audio Input
50O
J5
BNC
(NOT USED) CW IF Input
50O
J6
BNC
(NOT USED) Digital IF Input
50O
J7
BNC
(NOT USED) Video Input (Isolated)
75O
J8
BNC
(NOT USED) Visual IF Loop-Thru Output
50O
J9
BNC
(NOT USED) Aural IF Loop-Thru Output
50O
J10
BNC
External 10 MHz Reference Input (From Axciter)
50O
J12
BNC
(NOT USED) MPEG Input
50O
J13
BNC
Downconverter IF Output (To Axciter)
50O
J68/
J15
BNC
Digital IF I/P (From Axciter)
50O
J17
BNC
(NOT USED) Video Loop-Thru (Isolated)
75O
J18
BNC
(NOT USED) Visual IF Loop-Thru Input
50O
J19
BNC
(NOT USED) Aural IF Loop-Thru Input
50O
J23
BNC
Upconverter RF Output (To Splitter)
50O
J24
BNC
IPA RF Input (Jumpered from J23)
50O
J25
N
IPA RF Output
50O
J32
RJ-45
SCADA (Input / Loop-Thru)
CAT5
J33
RJ-45
SCADA (Input / Loop-Thru)
CAT5
J34
RJ-45
System RS-485 Serial
CAT5
J40
SMA
1GHz Input (From Axciter)
50O
J41
SMA
Downconverter RF Input (From K2 Relay)
50O
TB30 Termination Remote Control & Monitoring
N/A
TB31 Termination Remote Control & Monitoring
N/A
J1
J21
TB30
TB31
J32
J34
J33
J10
J23
J13
J68
J41
J40
