A P P E N D I X A

Connector Pinouts

This appendix provides reference information about the system back panel ports and pin assignments.

Topics covered in this appendix include:

Reference for the Serial Management Port Connector

Reference for the Network Management Port Connector

Reference for the Serial Port Connector

Reference for the USB Connectors

Reference for the Gigabit Ethernet Connectors

Reference for the Serial Management Port Connector

The serial management connector (labeled SERIAL MGT) is an RJ-45 connector located on the back panel. This port is the default connection to the system console.

Serial Management Connector Diagram

This illustration shows the Serial management port with pins labeled 1-8 from left to right.

FIGURE A-1 Serial Management Connector Diagram

Serial Management Connector Signals

For Serial Management connector signals, see TABLE A-1.

TABLE A-1 Serial Management Connector Signals
Pin	Signal Description	Pin	Signal Description
1	Request to Send	5	Ground
2	Data Terminal Ready	6	Receive Data
3	Transmit Data	7	Data Set Ready
4	Ground	8	Clear to Send

Reference for the Network Management Port Connector

The network management connector (labeled NET MGT) is an RJ-45 connector located on the ALOM card and can be accessed from the back panel. This port needs to be configured prior to use.

Network Management Connector Diagram

This illustration shows the Network management port with pins labeled 8-1 from left to right.

FIGURE A-2 Network Management Connector Diagram

Network Management Connector Signals

For Network Management connector signals, see TABLE A-2.

TABLE A-2 Network Management Connector Signals
Pin	Signal Description	Pin	Signal Description
1	Transmit Data +	5	Common Mode Termination
2	Transmit Data -	6	Receive Data -
3	Receive Data +	7	Common Mode Termination
4	Common Mode Termination	8	Common Mode Termination

Reference for the Serial Port Connector

The serial port connector (TTYB) is a DB-9 connector that can be accessed from the back panel.

Serial Port Connector Diagram

This illustration shows the Serial port connector with pins labeled 1-9 from left to right (1-5 top and 6-9 bottom).

FIGURE A-3 Serial Port Connector Diagram

Serial Port Connector Signals

For serial port connector signals, see TABLE A-3.TABLE A-3

TABLE A-3 Serial Port Connector Signals
Pin	Signal Description	Pin	Signal Description
1	Data Carrier Detect	6	Data Set Ready
2	Receive Data	7	Request to Send
3	Transmit Data	8	Clear to Send
4	Data Terminal Ready	9	Ring Indicate
5	Ground

Reference for the USB Connectors

Two Universal Serial Bus (USB) ports are located on the motherboard in a double-stacked layout and can be accessed from the back panel.

USB Connector Diagram

This illustration shows the USB connector ports with pins labeled 1-4 from left to right.

FIGURE A-4 USB Connector Diagram

USB Connector Signals

For USB connector signals, see TABLE A-4.

TABLE A-4 USB Connector Signals
Pin	Signal Description	Pin	Signal Description
A1	+5 V (fused)	B1	+5 V (fused)
A2	USB0/1-	B2	USB2/3-
A3	USB0/1+	B3	USB2/3+
A4	Ground	B4	Ground

Reference for the Gigabit Ethernet Connectors

Four RJ-45 Gigabit Ethernet connectors (NET0, NET1, NET2, NET3) are located on the system motherboard and can be accessed from the back panel. The Ethernet interfaces operate at 10 Mbit/sec, 100 Mbit/sec, and 1000 Mbit/sec.

Gigabit Ethernet Connector Diagram

This illustration shows the Gigabit Ethernet connector with pins labeled 1-8 from left to right.

FIGURE A-5 Gigabit Ethernet Connector Diagram

Gigabit Ethernet Connector Signals

For Gigabit Ethernet connector signals, see TABLE A-5.

TABLE A-5 Gigabit Ethernet Connector Signals
Pin	Signal Description	Pin	Signal Description
1	Transmit/Receive Data 0 +	5	Transmit/Receive Data 2 -
2	Transmit/Receive Data 0 -	6	Transmit/Receive Data 1 -
3	Transmit/Receive Data 1 +	7	Transmit/Receive Data 3 +
4	Transmit/Receive Data 2 +	8	Transmit/Receive Data 3 -