3Com TokenLink VelocityTM XL PCI Network Interface Card manual Connector Pin Assignments

Connector Pin Assignments A-3

Connector Pin Assignments

You can connect the 3C359 NIC to a network through the NIC’s DB-9 connector or RJ-45 connector. Pin assignments for both connector types are shown in the following sections.

DB-9 Connector Pin Assignments

You can use the 3C359 NIC’s DB-9 connector to connect to shielded twisted-pair (STP) cabling (Type 1 or 6). The DB-9 connector pin assignments are shown in Figure A-1.

(

4Mbps

16Mbps

4

16

RX

Data

RX

TX TX

6	1
	2
7
	3
8
	4
9
	5

Figure A-1DB-9 Connector Pin Assignments

RJ-45 Connector Pin Assignments

You can use the 3C359 NIC’s RJ-45 connector to connect to unshielded twisted-pair (UTP) cabling (Category 3, 4, or 5). The RJ-45 connector pin assignments are shown in Figure A-2.