Com1 And Com2 Ports - Cabletron Systems Environmental Module TM 9C300-1 User Manual

COM1 and COM2 Ports

The 9C300-1 Environmental Module front panel has two RJ-45 communication
ports for RS-232 serial communication to and from the MMAC-Plus. Figure 3-5
illustrates a single RJ-45 communication port connector. COM1 and COM2 can be
configured to run the Serial Line Internet Protocol (SLIP), Point-to-Point Protocol
(PPP), Local Management via a terminal or modem connection, or monitor an
American Power Conversion Smart UPS. Refer to the Local Management Manual
for detailed information on configuring the COM1 or COM2 port.
Table 3-1 details the pinout connections for an RJ-45 communication port
connector.
Figure 3-5. RJ-45 Communication Port Connector
Table 3-6. Pinout Connections RJ-45 Communication Port Connector
Pin
1
2
3
4
5
6
7
8
Out-of-Band Management
Pin 1
Description
TRANSMIT
DATA CARRIER DETECT
DATASET READY
RECEIVE
SIGNAL GROUND
DATA TERMINAL READY
REQUEST TO SEND
CLEAR TO SEND
3-7