2 PDP
Table 2-3
Output Terminals of the Branch Power Supply
Connection Terminal
Description
SW1
–
1 to SW1
–
3
SW2
–
1 to SW2
–
3
-48 V output terminals of the branch power supply
0V_1 to 0V_3 terminals of XS2
0V_1 to 0V_3 terminals of XS5
0 V output terminals of the branch power supply
2.5.4
Other Terminals
Subrack Alarm Input Terminals
The subrack alarm input can be connected to the XS1/XS13/XS14 terminal or
XPB3/XPB4/XPB5 terminal of the PDP250B. For descriptions about each terminal,
see Table 2-4.
Table 2-4
Subrack Alarm Input Terminals
Terminal Name
Interface Type
Function
XPB3
6-pin connector
The six pins from
top to bottom are
as follows: SPK-,
SPK+, 0V, CALL,
NUA, and UA.
When the equipment alarm
output is connected to this
terminal, the lightning protection
failure alarm is sent to the
OTNM2000 through the XS11
and XS12 terminals.
XPB4
XPB5
Version: A
2-7
