Andrew Wireless Innovations Group RPT-NODEC1943 用户手册
User’s Manual for Node C Network Elements
Page 78
PRELIMINARY M0121A1A_uc.doc
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).
figure 5-9 RF / DC distribution unit
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
11 To cable bridge connector from Interface Unit
12 RF cables
13 UL PA connector
table 5-1 Connections of RF / DC distribution unit
5
6
7
2
9
12
1
8
3
4
11
10
4
13