Rf And Dc Distribution Unit - Andrew Node C837 User Manual

5.3.2

RF and DC Distribution Unit

The RF and DC distribution unit is mounted between the duplexers and DCMs.
It is the physical transport layer for communication between the downlink DCM
(which has the integrated controller) and other sub-components of the Node C (see
also chapter 3.2.5 Connection of Cable Bridge).
13
1
4
8
9
1 To cable bridge connector from Interface Unit for connection of 12V, GND, 28 V
2 DL-PA connector
3 LEDs for voltage indication (left: 28 V, right: 12V)
4 28 V to DCM modules
5 Door contact
6 Connector for door contact
7 RS485 connection to extension unit
8 Fan connector (NodeM 43)
9 Memory board connector
10 To cable bridge connector for USB connection from Interface Unit
11 To cable bridge connector from Interface Unit
12 RF cables
13 UL PA connector
table 5-1 Connections of RF / DC distribution unit
Page 78
3
2
10
figure 5-9 RF / DC distribution unit
PRELIMINARY
User's Manual for Node C Network Elements
4
11
12
5
6
7
M0121A1A_uc.doc