A.4 environmental requirements, A.5 input/output ports, A.6 com pinout assignments – Cabletron Systems 2E43-51R User Manual
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Appendix A: Specifications
A-2
2E43-51/2E43-51R 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 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.
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