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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.

Table A-1 shows the COM port pin assignments:

Ports 1 through 12: Fast Ethernet 10/100 Mbps (100BASE-TX compliant)

with one RJ21 connector.

Slot for optional High Speed Interface

Module (HSIM) or Very High Speed

Interface Module (VHSIM): Slot accepts optional HSIMs or VHSIMs that provide a

variety of physical cabling types.

Ports 1 through 24: Fast Ethernet 10/100 Mbps (100BASE-TX compliant)

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

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 61 62

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Cabletron Systems SmartSwitch Router Uživatelská příručka Strana 52