Comtech EF Data MBT-4000B, User'S Installation And Operation Manual, Page: 30 / 86

MBT-4000B Multi-Band Transceiver System Revision 1
External Connectors MN/MBT4000B.IOM
3–8
3.2.2 RF Signal Side Connectors
Figure 3-4. MBT-4000B External Connectors – RF Signal Side
3.2.2.1 J7 | REDUNDANT LOOP
Use the J7 | REDUNDANT LOOP 19-pin circular connector to connect the
MBT-4000B Base Module, via the Redundant Loop Bus Cable (CEFD P/N
CA/WR11224), to another MBT-4000B Base Module in a 1:1 Redundancy
configuration.
Table 3-7. J7 | REDUNDANT LOOP Connector Pinouts
Pin Signal Pin Signal
A SW POS 2 DRIVE OUT L MBT ‘B’ IND
B GND M NC
C SW POS 2 DRIVE OUT N BXC 1 FLT OUT
D RF SW IND OUT P BXC 2 FLT OUT
E IF SW IND OUT R BXC 1 FLT IN
F SW POS 1 DRIVE IN S BXC 2 FLT IN
G SW POS 2 DRIVE IN T NC
H RF SW IND IN U TX
J IF SW IND IN V RX
K MBT ‘A’ IND
NOTE – Mating Connector:
CEFD P/N CA/WR11224 Redundant Loop
Bus Cable