USER MANUAL FOR MBDA-80
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Page 26
Table 3: mBDA Connections
Identifier
Functional Description
1 & 3. LED indicator
LED indicator. Refer to Table 6 for more detailed information.
2. OMT/LAN/RS485
OMT port is for local commissioning; LAN port is for remote
connection; RS485 is for extension connection when adding extended
equipment.
4.EXT_ALM
External alarm connector with 4 pins. Refer to Table 4 for more
detailed information.
5. DT Combiner
Donor signal input port and split relative signal to RF modules. Mini
DIN female.
6. DT
RF input port, connects to DT combiner, Mini DIN female.
7. MT Combiner
Combined signals output port, connects to cover system, signals are
from relative RF modules. Mini DIN female.
8.CPL
Output coupler port, -40dB, QMA female, DL only.
9.MT
RF output port, Mini DIN female, connect to Service Antenna.
10.
Grounding connector.
11. FAN
Fan inside
12. POWER
Power switch.
13. AC100~240V
AC power supply connector.
Step 1: a) For systems without CB modules installed
Connect RFU module
’s DT port to an external combiner or donor antenna.
Connect RFU module
’s MT port to an external combiner or service antenna.
b) For systems with CB modules installed
Connect donor antenna to DT port of the DT Combiner.
Connect each RFU module
’s DT port to their respective port on the DT Combiner.
Connect each RFU module’s MT port to their respective port on the MT Combiner.
Connect the service antenna to MT port of the MT Combiner.
Step 2: Connect the power cable to the power supply port (100-240VAC, 3.5Amp maximum).
