J12 | L-Band In; J9 | Aux Comm; Table 3-8. J9 | Aux Comm Connector Pinouts - Comtech EF Data MBT-4000B User's Installation And Operation Manual

MBT-4000B Multi-Band Transceiver System
External Connectors
3.2.2.2

J12 | L-BAND IN

3.2.2.3

J9 | AUX COMM

Use the J12 | L-BAND IN Type 'N' female connector to provide the down
converted IF Input (via a low-noise block down converter (LNB)) to the
MBT-4000B Base Module.
Use the J9 | AUX COMM 8-pin circular connector to connect a Solid-State Power
Amplifier (SSPA) to the MBT-4000B Base Module.

Table 3-8. J9 | AUX COMM Connector Pinouts

NOTES:
Pin Signal
A AUX Rx (+)A
B AUX Rx (–)A
C AUX Tx (+)A
D AUX Tx (-)A
E +12.6V LNA A
IO1 A / Fault (Note 2)
F
G IO1 B (Note 3)
H GND
1. Mating Connector:
CEFD P/N CN/MS3116J12-8P
(Cannon MS3116J12-8P)
2. Input from external amplifier.
3. Normally an input; when programmed as an
output, this pin indicates Unit 1 Online/Offline
status.
3–9
Revision 1
MN/MBT4000B.IOM