Appendix A: Specifications

A.4 ENVIRONMENTAL REQUIREMENTS

Operating Temperature:

5°C to 40°C (41°F to 104°F)

Storage Temperature:

-30°C to 73°C (-22°F to 164°F)

Operating Relative Humidity:

5% to 90% (non-condensing)

A.5 INPUT/OUTPUT PORTS

Ports 1 through 6

Fast Ethernet 10/100 Mbps

 

(100BASE-TX compliant) with RJ45

 

type connectors.

Slots for optional Fast Ethernet Interface Modules

(ports 7 and 8)

Slots accept three types of optional Fast Ethernet Interface Modules: FE100-TX, FE100-FX, and FE100-F3.

A.6 COM PORT PINOUT ASSIGNMENTS

The COM port is a serial communications port that supports Local Management or connection to a UPS.

Table A-1shows the COM port pin assignments.

Table A-1 COM Port Pin Assignments

Pin

Signal Name

Input/Output

 

 

 

 

 

 

1

Transmit Data (XMT)

Output

 

 

 

2

Data Carrier Detect (DCD)

Output

 

 

 

3

Data Set Ready (DSR)

Input

 

 

 

4

Receive Data (RCV)

Input

 

 

 

5

Signal Ground (GND)

NA

 

 

 

6

Data Terminal Ready (DTR)

Output

 

 

 

7

Request to Send (RTS)

Input

 

 

 

8

Clear to Send (CTS)

NA

 

 

 

Page A-2

2H22-08R SmartSwitch 2208 User’s Guide

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Cabletron Systems 2208 manual Environmental Requirements, INPUT/OUTPUT Ports, COM Port Pinout Assignments