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256 Chapter 12 Install Companion or DECT Systems
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RPI output connections
Feed the output pairs in through the bottom of the RPI and route the pairs to the output connectors.
Figure 166 shows how to route the output pairs. If you use one pair to power a base station,
connect the power pair to -PWR(1) and +PWR(1). If you use two pairs to power a base station,
connect one pair to -PWR(1) and +PWR(1), and the second pair to -PWR(2) and +PWR(2).
Figure 166 Output connector pinout
RPI input connections
Feed the TCM input pairs from the Business Communications Manager distribution frame through
the top of the RPI and route them to the input connectors (IBIX1 to IBIX4).
Figure 167 shows how to route the input pairs. The maximum number of input pairs in an RPI
installation is 16. Table 28 lists the pinout and signal references.
Caution: Ensure both pairs have the same polarity.
If you connect two power pairs with opposite polarities, you can damage the base
station and RPI.
OBIXn
-PWR(1)
TCM
TCM
+PWR(1)
-PWR(2)
+PWR(2)
OBIXn
-PWR(1)
-PWR(2)
TCM
TCM
+PWR(1)
+PWR(2)