Connecting to COM Port for Local Management

Figure 4-14 Connecting to a Modem

1

UTP straight-through cable with RJ45 connectors

4

Local modem

2

RJ45 COM port

5

Remote modem

3

RJ45-to-DB25 modem adapter

6

PC

Adapter Wiring and Signal Assignments

COM Port Adapter Wiring and Signal Diagram

RJ45

 

DB9

 

 

Pin

Conductor

Pin

Signal

 

1

Blue

2

Receive (RX)

4

Red

3

Transmit (TX)

5

Green

5

Ground (GRD)

2

Orange

7

Request to Send (RTS)

6

Yellow

8

Clear to Send (CTS)

 

Pins

 

Pins

 

 

 

5

1

1

8

 

 

 

 

RJ45 Connector (Female)

 

9

6

 

DB9 Connector

(Female)

 

 

 

Enterasys NAC Controller Hardware Installation Guide 4-17

Page 57
Image 57
Enterasys Networks 2S4082-25-SYS Adapter Wiring and Signal Assignments, RJ45, COM Port Adapter Wiring and Signal Diagram