Cabletron Systems 2E43-51 User Manual

Appendix A: Specifications

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

 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)

ENET 1 through ENET 4 
(ports 1 through 4):

Ethernet (10BASE-T compliant) with 
RJ21 type connectors. Each connector 
provides connection for 12 twisted pair 
ports.

Slots for optional Fast Ethernet 
Interface Modules 
(ports 5 and 6):

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

Slot for optional HSIM:

Slot accepts optional High Speed 
Interface Modules.

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