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A.4 environmental requirements, A.5 input/output ports, A.6 com pinout assignments – Cabletron Systems 2H28-08R User Manual

Page 132

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Appendix A: Specifications

A-2

2H28-08R SmartSwitch 2208 User’s Guide

A.4

ENVIRONMENTAL REQUIREMENTS

A.5

INPUT/OUTPUT PORTS

A.6

COM PINOUT ASSIGNMENTS

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

Table A-1

shows the COM port pin assignments.

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)

Ports 1 through 6:

Fast Ethernet (100BASE-FX compliant)
with SC type connectors, for multimode
fiber optic cables.

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.

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