Out-of-Band Management
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 3-5illustrates 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.
Pin 1
Figure 3-5. RJ-45 Communication Port Connector
Table 3-1details the pinout connections for an RJ-45 communication port connector.
Table 3-6. Pinout Connections RJ-45 Communication Port Connector
Pin | Description |
| |
| |
1 | TRANSMIT |
| |
2 | DATA CARRIER DETECT |
| |
3 | DATASET READY |
| |
4 | RECEIVE |
| |
5 | SIGNAL GROUND |
| |
6 | DATA TERMINAL READY |
| |
7 | REQUEST TO SEND |
| |
8 | CLEAR TO SEND |
| |
3-7
