C-2 SPARC Enterprise M3000 Server Service Manual • March 2012
C.1 Serial Port
C.2 UPC Port
TABLE C-1 Serial Port
Pin Assignment Pin Number Signal Name Input/Output Description
1 RTS Output Request to Send
2 DTR Output Data Terminal
Ready
3 TXD Output Send Data
4GND --- Ground
5GND --- Ground
6RXD InputReceive Data
7 DSR Input Data Set Ready
8 CTS Input Clear to Send
TABLE C-2 UPC Port
Pin Assignment Pin Number Signal Name Input/Output Description
1 ER --- ---
2 NC --- Not connected
3 NC --- Not connected
4 NC --- Not connected
5SG --- Ground
6 *BPS Input UPS hardware
error signal
7 *BTL Input Battery end of
discharge warning
signal
8 NC --- Not connected
9 *ACOFF Input Power failure
detection signal
9876
54321
To Next Page
Loading...
