Comtech EF Data MBT-4000B, User'S Installation And Operation Manual, Page: 27 / 86

MBT-4000B Multi-Band Transceiver System Revision 1
External Connectors MN/MBT4000B.IOM
3–5
3.2.1.4 J3 | UNIT 1 COMM
Use the J3 | UNIT 1 COMM connector to connect the MBT-4000B Base Module
Unit 1 section to the BUC-4000 Block Up Converter Module J6 | COMM
connector via the 15-15 Power & Signal Harness (CEFD P/N CA/WR10963-1),
shown in Figure 3-3 .
Table 3-4. J3 | UNIT 1 COMM Connector Pinouts
Figure 3-3. J6 | COMM (BUC Module) to J3 | Unit 1 COMM (Base Module) Connection
Pin Signal
A SUM FLT
M RxD BXC
C Tx+ BXC
D GND
E +7.5V
F +7.5V
G +15V
H GND
J Rx+ BXC
K Rx- BXC
L Tx- BXC
B TxD BXC
N SPARE
P 10 MHz REF
R SPARE
NOTE – Mating Connector:
CEFD P/N CN/8LT5-15B15PN
( Souriau 8LT5-15B15PN / Amphenol MS27467T15B15P)