Connector Pinouts

A P P E N D I X A

Connector Pinouts

This appendix provides reference information about the Sun Fire X4140 Server rear panel ports and pin assignments.

Topics covered in this appendix include:

Serial Management Port Connector

Network Management Port Connector

Video Connector

USB Connectors

Gigabit Ethernet Connectors

FIGURE A-1 Sun Fire X4140 Server Rear Panel

Figure showing back panel.

A.1 Serial Management Port Connector

The serial management connector (labeled SERIAL MGT) is an RJ-45 connector located on the motherboard and can be accessed from the rear panel. This port is the default connection to the system console.

FIGURE A-2 Serial Management Connector Diagram

Figure showing serial management port.

TABLE A-1 Serial Management Connector Pins
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

A.2 Network Management Port Connector

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

FIGURE A-3 Network Management Connector Diagram

Figure showing network management port.

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

A.3 Video Connector

The video connector (VGA) is an HD-15 connector that can be accessed from the rear panel.

FIGURE A-4 Video Connector Diagram

Figure showing the video port (VGA).

TABLE A-3 Video Connector Signals
Pin	Signal Description	Pin	Signal Description
1	Red Video	9	[KEY]
2	Green Video	10	Sync Ground
3	Blue Video	11	Monitor ID - Bit 1
4	Monitor ID - Bit 2	12	Monitor ID - Bit 0
5	Ground	13	Horizontal Sync
6	Red Ground	14	Vertical Sync
7	Green Ground	15	N/C (Reserved)
8	Blue Ground

A.4 USB Connectors

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

FIGURE A-5 USB Connector Diagram

Figure showing USB connector ports.

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

A.5 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 rear panel. The Ethernet interfaces operate at 10 Mbit/sec, 100 Mbit/sec, and 1000 Mbit/sec.

FIGURE A-6 Gigabit Ethernet Connector Diagram

Figure showing Gigabit Ethernet port connector.

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 -