SECTION 8: Specifications and Safety
2025653-048 Revision B
Responder
™
2000
Page 118
MAIN CPU PCBA
The main CPU PCBA is the nucleus of the system, with all major subsystems connecting to this board.
J211 - Power Control Interface to Power Control PCBA
AMP 1-103638-3
Pin
Number
Name
Description
1
NC
Not Used
2
Fan_/Drive
Pull Down Active Fan Drive
3
Serv_DCE_Rx
RS232 Serial input from Service Connector.
4
Serv_DCE_Tx
RS232 Serial Output from Service Connector.
5
SMBUS_CLK
Output – SMBus Serial Clock
6
SMBUS_DATA
Bi-directional – SMBus Data
7
/PWR_ON
Output – Active low control to power switch on the
Power Control PCBA.
8,9,10
+12V_SW
Power Input – Power switched on Power Control
PCBA
11,12,13
GND
System Ground
14
+12V_UNSW
Power Input – Power always present from Power
Control PCBA