User's Manual
Innovator CU0TD-1/CU0RD-1 – CU4TD/CU4RD Unpacking, Installation &
ATSC Transmitter/Regenerative Translator Maintenance
Instruction Manual, Rev. 1 21
Table 2: Rear Chassis Connections for the Axciter Modulator Drawer
Port Type Function Impedance
J2 BNC IF Input (From Driver/Amplifier Assembly) 50Ω
J7 RJ-12 RF SW1 (To Axciter Relay) N/A
J9 BNC (Optional) 10MHz Reference Input 50Ω
J12 BNC 10MHz Output (To Driver/Amplifier Assembly) 50Ω
J27 BNC SMPTE 310 Input 75Ω
J33 BNC (Optional) ASI Input 75Ω
J40 BNC IF Output (To Driver/Amplifier Assembly) 50Ω
Figure 3A: Rear View CU0TD/RD-1 thru CU0TD/RD-5 and the driver for the CU1TD/RD-1 &
higher power systems
Table 2A: Connections for the CU0TD/RD-1 thru CU0TD/RD-5 and the driver for the
CU1TD/RD-1 & higher power systems
Port Type Function Impedance
J1 BNC
Input A: On Channel RF Input (RD) –78 to –8 dBm or
SMPTE-310 Input (TD)
50 Ohms
J4 BNC SMPTE-310 Output (RD Only) Normally jumpered to J5 50 Ohms
BNC SMPTE-310 Input (RD Only) Normally jumpered to J4 or 50 Ohms
J5
TNC GPS Antenna Input (Only used with Internal GPS Kit) 75 Ohms
J6 BNC 10 MHz Input: Optional External 10 MHz Reference Input 50 Ohms
J7 BNC 1 PPS Input: Optional External 1 PPS Reference Input 50 Ohms
J9 N RF Output: On Channel RF Output 50 Ohms
J10 IEC
AC Input: AC input connection to 85-264VAC Source and
On/Off circuit breaker
N/A
J11
9 Pos
Male D
Power Monitoring: Interface to System and external amplifier
drawers, if present. Also provides an interlock for the Reject
Load (if used). If not used, in systems with no external
amplifier, a jumper from J11-6 to J11-9 needs to be in place.
Refer to Table 2B which follows for information on the
connections.
N/A
J12
15 Pos
Female D
Remote: Remote control and status indications. Refer to
Table 7A on pages 29 & 30 for information on the
connections.
N/A
J13 RJ-45
Serial: Provides communication to System and to external
amplifier drawers, if present.
N/A
J14 RJ-45
Ethernet: Optional Ethernet connection. May not be present
in your drawer.
N/A
J15
Front
BNC
RF Sample: Output Sample from Output Detector Board.
In a CU30, CU50, CU100 & CU125, the sample level at J15 is
50 Ohms
J1
J11
J12
J10
J6
J9
J
7
J
4
J13
J
5
J
2
J1
4