NTD12 Dual-port DTI/PRI card description and installation
Page 111 of 188
ISDN PRI Installation
Power requirements
lists the power requirements for the DDP card.
Table 29 - DDP power requirements
Voltage
Source
Current
DDP (without
NTBK51AA)
DDP (with
NTBK51AA)
+5V
Backplane
3A
3.8A
+12V
Backplane
25mA
75mA
-12V
Backplane
25mA
75mA
Total Power (Maximum)
15.6W
20.8W