Owner's manual

AT8904M Hardware Description
Page 3 - 5 AT8904M User Guide
RS232 Management Interface
One RS232 interface (UART0) of the PowerPC 405 GPr is connected to the front panel RJ45
connector, the other one (UART1) is used as programming interface for IPMI.
Table 3-4: Serial Port (RJ45) Pin Assignment
External connection is established with a straight through Ethernet cable and a RJ45 (female)
to SubD (female) adapter if required. The adapter is described in the following table.
Table 3-5: Serial console terminal cable interface: RJ45 Female to DB9 Female
Signal Pin
RTS 1
DTR 2
TXD 3
GND 4
GND 5
RXD 6
DSR 7
CTS 8
1
8
RJ45 Female RJ45 Pin
Number
Signal Connected Description DB9 Pin
Number
DB9 Female
1 RTS Y Request To Send 8
2 DTR Y Data Terminal Ready 6
3 TXD Y Transmit 2
4 GND N Ground -
5 GND Y Ground 5
6 RXD Y Receive 3
7 DSR Y Data Set Ready 4
8 CTS N Clear To Send 7
- RI N Ring Indicator
(Not used)
9
Front View
- CD N Carrier Detect
(Not used)
1
Front View