Input/Output Ports
A-2 Specifications
A.4 INPUT/OUTPUT PORTS
5H102-48:
5H103-48:
A.5 COM PORT PINOUT ASSIGNMENTS
The COM port is a serial communications port that supports Local Management. Table A-1 shows
the COM port pin assignments.
Ports 1 through 48: Fast Ethernet 10/100 Mbps (10BASE-T and 100BASE-TX
compliant) with 48 RJ45 connectors.
Ports 1 through 48: Fast Ethernet 10/100 Mbps (10BASE-T and 100BASE-TX
compliant) with 4 RJ21 connectors (12 ports per connector).
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