Product specifications

MBT-4000 Multi-Band Transceiver System Revision 4
External Connectors MN/MBT4000.IOM
3–8
3.2.1.10 IF OUT (J4, BDC-4000 ONLY)
The J4 IF OUT connector, located on the BDC-4000 Block Down Converter
Module, is a Type ‘N’ female connector, used to provide the downcoverted IF
Output signal.
3.2.2 RF Signal Side Connectors
3.2.2.1 REDUNDANT LOOP (J7)
The J7 REDUNDANT LOOP connector is used to connect the MBT-4000 Base
Module, via the Redundant Loop Bus Cable (CEFD P/N CA/WR11224), to
another base unit for a dual base (redundant) setup.
Table 3-8. REDUNDANT LOOP (J7) Connector Pinouts
Pin Signal
A SW POS 2 DRIVE OUT
B GND
C SW POS 2 DRIVE OUT
D RF SW IND OUT
E IF SW IND OUT
F SW POS 1 DRIVE IN
G SW POS 2 DRIVE IN
H RF SW IND IN
J IF SW IND IN
K MBT A IND
L MBT B IND
M NC
N BXC 1 FLT OUT
P BXC 2 FLT OUT
R BXC 1 FLT IN
S BXC 2 FLT IN
T NC
U TX
V RX