Справочник Пользователя для Cabletron Systems 6H203-24
Input/Output Ports
A-2
Specifications
A.4
INPUT/OUTPUT PORTS
6H253-13 Specifications
6H203-24 Specifications
A.5
COM PORT PINOUT ASSIGNMENTS
The COM port is a serial communications port that supports Local Management or connection to a
UPS.
UPS.
shows the COM port pin assignments:
Ports 1 through 12:
Fast Ethernet 10/100 Mbps (100BASE-TX compliant)
with one RJ21 connector.
with one RJ21 connector.
Slot for optional High Speed Interface
Module (HSIM) or Very High Speed
Interface Module (VHSIM):
Module (HSIM) or Very High Speed
Interface Module (VHSIM):
Slot accepts optional HSIMs or VHSIMs that provide a
variety of physical cabling types.
variety of physical cabling types.
Ports 1 through 24:
Fast Ethernet 10/100 Mbps (100BASE-TX compliant)
with two RJ21 connectors.
with two RJ21 connectors.
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