Cabling and Connectors

For Opengear console servers with Cisco pinouts: (IM, IMG, KCS with -02 Part Number)

Part #	Connector	Description	Avocent
319014	DB9F to RJ45 straight	Console server with Cisco pinout to IP Power and other serial device
319015	DB9F to RJ45 crossover	DCE Adapter - Console server with Cisco pinout to to X86 and other
319016	DB9M to RJ45 straight	DTE Adapter - Console server with Cisco pinout to Netscreen and Dell

Local/Console port connection

To connect to the LOCAL console port on Opengear console servers using a computer or terminal device use the 319001 or 319003 adaptors with standard UTP Cat 5 cable. To connect the LOCAL console ports to modems (for out of band access) use the 319004 adaptor with standard UTP Cat 5 cable. Each Opengear console server is supplied with UTP Cat 5 cables.

RJ45 serial pinout

RS232 pinout standards exist for both DB9 and DB25 connectors, however there's no pinout standard for RS232 using RJ45 connectors. So custom adaptors and cables are often required to interconnect with the serially managed servers, router, switches or power devices. Suppliers of console servers have also adopted a variety of pinout configurations as can be seen from Zonker's Serial Signals Page on the conserver site.

All Opengear's console servers by default ship with an Opengear Classic pinout (which is the same RJ45 pinout as the Avocent /Equinox brand console server - so if you need to connect to a particular serial device and an Opengear adapter is not available off-the-shelf, you should be able to use an adaptor made to work with one of these competitor's products). The Opengear classic pinout is shown below.

Some Opengear console server models also are available with Cisco or Cyclades RJ pinouts as detailed in Alternate RJ45 Pinouts. These must be specified in the part number at the time of order.

PIN	SIGNAL	DEFINITION	DIRECTION
1	RTS	Request To Send	Output
2	DSR	Data Set Ready	Input
3	DCD	Data Carrier Detect	Input
4	RXD	Receive Data	Input
5	TXD	Transmit DataCTS	Output
6	GND	Signal Ground	NA
7	DTR	Data Terminal Ready	Output
8	CTS	Clear To Send	Input

On the SD4008 the pinout for the RJ45 connectors is software selectable on a per port basis to be either RS232 or RS422/485

PIN	RS232 SIGNAL	RS422/485 SIGNAL
1	RTS
2	DSR	RX+
3	DCD
4	RXD	RX-
5	TXD	TX+
6	GND
7	DTR	TX-
8	CTS

The RS-232 standard

RS232 pinout standards exist for both DB9 and DB25 connectors:

DB25	SIGNAL	DB9	DEFINITION
1			Protective Ground
2	TXD	3	Transmitted Data
3	RXD	2	Received Data
4	RTS	7	Request To Send
5	CTS	8	Clear To Send
6	DSR	6	Data Set Ready
7	GND	5	Signal Ground
8	CD	1	Received Line Signal Detector
9			Reserved for data set testing
10			Reserved for data set testing
11			Unassigned
12	SCF		Secndry Rcvd Line Signl Detctr
13	SCB		Secondary Clear to Send
14	SBA		Secondary Transmitted Data
15	DB		Transmisn Signal Timng
16	SBB		Secondary Received Data
17	DD		Receiver Signal Element Timing
18			Unassigned
19	SCA		Secondary Request to Send
20	DTR	4	Data Terminal Ready
21	CG		Signal Quality Detector
22		9	Ring Indicator
23	CH/CI		Data Signal Rate Selector
24	DA		Transmit Signal Element Timing
25			Unassigned

Location of Pin 1

	FEMALE	MALE
25 pin DB25
9 pin DB9
8 pin RJ45