Reference Guide for the Model XM128 ISDN Digital Modem
Introduction
1-5
COM LEDs:
DTR
Green
On
The data terminal or computer connected to the COM port on
the Model XM128 modem is ready to communicate.
DSR
On
The Model XM128 modem is ready to communicate with the
connected data terminal or computer.
RTS
On
The data terminal or computer connected to the COM port on
the Model XM128 modem is ready to transmit data.
CTS
On
The Model XM128 modem is ready to accept data from the
connected data terminal or computer.
TD
Blinking
The data terminal or computer connected to the Model XM128
modem is transmitting data to the modem.
RD
On
The data terminal or computer connected to the Model XM128
modem is receiving data from the DTE port of the modem.
PHONE 1
On
The handset of the telephone connected to the port is not
properly placed in the receiver cradle.
PHONE 2
On
The handset of the telephone connected to the port is not
properly placed in the receiver cradle.
Table 1-2.
LED descriptions (continued)
Label
Color
Activity
Description
Содержание XM128
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