Enterasys Networks Fast Network 10 manual Serial Cable PIN Assignments, 10BASE-T PIN Assignments

Serial Cable Pin Assignments

A.2 SERIAL CABLE PIN ASSIGNMENTS

For a PC running a Windows terminal connected to the RS232C Network Management Port on the front panel of the FN10, the following serial cable pin assignments are required to manage the FN10 using the Local Console Manager (LCM).

DB-9 (male) to the FN10		PC DB-9 (female)	25-pin (female)
(female)
Pin 2	(Rx)	Pin 2	Pin 3
Pin 3	(Tx)	Pin 3	Pin 2
Pin 5	(Ground)	Pin 5	Pin 7

A.3 10BASE-T PIN ASSIGNMENTS

An Ethernet twisted-pair link segment requires two pairs of wires. Each wire pair is identified by solid and striped colored wires. For example, one wire in the pair might be red and the other wire, red with white stripes.

Connectors

Refer to the diagram below and note how the pins are numbered. Be sure to hold the connectors in the same orientation when connecting the wires to the pins.

	8
1	8
	1

Figure A-1 Connector Pin Numbers

Each twisted-pair link segment must have a male connector attached to both ends. According to the 10BASE-T specification, pins 1 and 2 on the connector are used for transmitting data; pins 3 and 6 are used for receiving data, as shown in Table A-1.

Fast Network 10 User Guide Page A-3