3com 3013 (3C13613) User Manual

C

HAPTER

 A: O

PTIONAL

 C

ABLE

 S

PECIFICATIONS

Figure 28 illustrates the AUX cable.

Figure 28   AUX Cable Assembly

Table 26 describes the AUX cable pinouts.

The Ethernet cable uses an RJ-45 connector and category 5 twisted pair cable.

The Router 3000 series routers provide a fixed 10/100BASE-TX fast Ethernet port 
that uses category-5 twisted pair cable, as shown in Figure 29

Figure 29   Ethernet Cable Assembly 

The Ethernet cables are classified as straight-through network cable and crossover 
network cable. They have the following features: 

■

Straight-through network cable — The sequences of the wires crimped at the 
RJ-45 connectors of the two ends are the same. The cable is used in the 
connection between a terminal device, such as a PC or a router, and the Hub or 

AUX Cable Pinouts

 

1

—>

4

7

RTS

2

—>

20

4

DTR

3

—>

2

3

TXD

4

<—

8

1

DCD

5

-

7

5

GND

6

<—

3

2

RXD

7

<—

6

6

DSR

8

<—

5

8

CTS

Enlarged B side

Enlarged A side

Enlarged C side

DB25 Male

Label

DB9Male

8P8C Plug