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AMT/PTD/TR/0001/3/7/EN
Installation Manual for digital sets - IP sets - SIP sets
Page
12-4 05/2008
Installation rules
CISCO reference: CATALYST 3524 PWR XL (RJ45)
POWER DSINE reference: POWER DSINE 6024 (RJ45)
12.2.4.3 External power supply for i7xx range sets via power units PN1120A,
PN1121A and PN1121D
The connection diagram for the power supply unit in the i7xx range is as follows.
RJ11 connector
Pin
Signal
Description
1
TX+ and 0 V
Data trans
2
TX- and 0 V
Data transmitted -
3
RX+ and 48 V
Data re
4
N/C
Not connected
5
N/C
Not connected
6
RX- and 48 V
Data received -
7
N/C
Not connected
8
N/C
Not connected
Pin
Signal
Description
1
TX+
Data trans
2
TX-
Data transmitted -
3
RX+
Data re
4
0 V
0V remote supply, separate pair
5
0 V
0V remote supply, separate pair
6
RX-
Data received -
7
48 V
48V remote supply, separate pair
8
48 V
48V remote supply, separate pair
Pin
Signal
1
N/C
2
N/C
3
0 V
4
48 V
5
N/C
6
N/C
Содержание M720
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Страница 352: ...AMT PTD TR 0001 3 7 EN Installation Manual Digital sets IP Sets SIP Sets Page 16 16 05 2008 Appendix...