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
