Operation
3-2
DataComm V.34 PL Modem
060R115-000
Installation and Operation
Issue 1
Table 3-2
Front Panel Indicators
LED
Definition
LED
State
Description
TR
Data Terminal Ready
On
The DTE has turned On DTE interface pin 20 (or DTR is On),
indicating it is ready for data communications.
Off
The DTE has turned Off pin 20, indicating it is not ready for
data communications.
SD
Send Data
On
Indicates a SPACE condition in the transmitted data.
(Transmitted Data)
Off
Indicates a MARK condition.
RD
Received Data
On
Indicates a SPACE condition in the received data.
Off
Indicates a MARK condition.
MR
Modem Ready
On
The DCE has turned On DTE interface pin 6 (or DSR is On),
indicating it is ready for data communications.
Off
The DCE has turned Off pin 6, indicating it is not ready for data
communications.
Flashing
The modems are handshaking.
RS
Request to Send
On
The DTE has turned On DTE interface pin 4 (or RTS is On),
indicating that the DTE is requesting the modem for data
transmission.
Off
Pin 4 is Off.
CS
Clear to Send
On
The modem has turned On DTE interface pin 5 (or CTS is On),
indicating it is ready to transmit data.
Off
The modem has turned Off pin 5, indicating it is not ready to
transmit data.
CO
Carrier On
(Data Carrier Detect)
On
The modem has turned On DTE interface pin 8 (or DCD is On),
indicating it is receiving data.
Off
The modem has turned Off pin 8, indicating it is not receiving
data.
GD
Good Data
On
The modem is receiving an acceptable carrier level and is
equalized.
Off
The modem is not receiving an acceptable carrier level or is not
equalized.
TM
Test Mode
On
The modem is in a test mode.
Off
The modem is not in a test mode.
ALM
Alarm
Not used.
OH
Off-Hook
On
The modem is in the off-hook state.
Off
The modem is in the on-hook state.
Содержание V.34 PL
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Страница 16: ...Introduction Equipment List 1 4 DataComm V 34 PL Modem 060R115 000 Installation and Operation Issue 1 ...
Страница 36: ...Operation Operating Procedures 3 12 DataComm V 34 PL Modem 060R115 000 Installation and Operation Issue 1 ...
Страница 46: ...Tests End to End Self Test 4 10 DataComm V 34 PL Modem 060R115 000 Installation and Operation Issue 1 ...
Страница 50: ...Technical Specifications A 4 DataComm V 34 PL Modem 060R115 000 Installation and Operation Issue 1 ...
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