User Manual

1-12 CTR 28 GHz Release 1.2
411- 1333 - 203.01.02 Preliminary March 1999
Installing Indoor Equipment (NIU 5008 only)
Install the NIU 5008 equipment associated with the CTR 28 GHz microwave
transceiver as follows:
1. Connect the CPI 9000 (power inserter) to -48 VDC power source.
2. Adjust voltage out of CPI 9000. It is adjustable from 17V to 21V,
depending on cable length and type.
3. Connect power inserter unit’s IF IN port (N-type connector) to the NIU’s
IF OUT N-type (bulkhead) connector as shown in Figure 1-2.
4. Connect CTR 28 GHz IF/PS cable to the CPI 9000 output (PS/IF) port
(N-type connector).
5. Connect CTR 28 GHz RX cable to NIU IF IN N-type (bulkhead)
connector.
6. Refer to Reunion NIU 5008 Network Interface Unit Installation Guide,
Release 1.2, 411- 1323 - 203, and the Network Engineering Package.
Figure 1-2
Diagram showing CTR 28 GHz indoor set-up
NIU
RMM
TX
RX
to CTR 28 GHz IF/PS
from CTR 28 GHz RX
CPI 9000
-48 DC