Paradyne 3166 User Manual page 32

SDCP Operation
Select OK
Fail
Test
Sig
OOF
NET
Alrm
EER
DTR
Data
TXD
Port
Port1
RXD
LEDs
CTS
RTS
Net
Mon
In
Out
DSU/CSU
3166
98-16081a
3-6
Table 3-3. Data Port (Port1) LEDs
Name Color Meaning
DTR Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) –
Data Terminal Ready received from the synchronous data DTE.
ON :
OFF :
TXD Green Monitors activity on interchange circuit BA (CCITT 103) –
Transmitted Data. This is the data sent from the synchronous
data DTE to the data port on the DSU/CSU.
ON :
OFF :
CYCLING: Both ones and zeros are being received from the
RXD Green Monitors activity on interchange circuit BB (CCITT 104) –
Received Data. This is data sent to the synchronous data DTE
from the data port on the DSU/CSU.
ON :
OFF :
CYCLING: Both ones and zeros are being sent to the
CTS Green Monitors the state of interchange circuit CB (CCITT 106) –
Clear-to-Send sent to the synchronous data DTE.
ON :
OFF :
RTS Green Monitors the state of interchange circuit CA (CCITT 105) –
Request-to-Send received from the synchronous data DTE.
ON :
OFF :
March 1999
DTR is being asserted by the synchronous data DTE.
DTR is not being asserted.
Ones are being received from the synchronous data
DTE.
Zeros are being received from the synchronous data
DTE.
synchronous data DTE.
Ones are being sent to the synchronous data DTE.
Zeros are being sent to the synchronous data DTE.
synchronous data DTE.
CTS is being asserted by the DSU/CSU.
CTS is not being asserted.
RTS is being asserted by the synchronous data DTE.
RTS is not being asserted.
3166-A2-GB20-20