Data Port Leds - Paradyne ACCULINK 316x Operator's Manual

ACCULINK 316x DSU/CSU
Name Color
DTR Green
TXD Yellow
RXD Yellow
CTS Yellow
RTS Yellow
3-10
Table 3-4

Data Port LEDs

Monitors the state of interchange circuit CD (CCITT 108/1, /2) – DTE Ready received
from the DTE.
ON : DTR is being asserted by the DTE.
OFF : DTR is not being asserted.
Monitors activity on interchange circuit BA (CCITT 103) – Transmitted Data. This is the
data sent from the DTE to the DCE on the DSU/CSU.
ON : Ones are being received from the DTE.
OFF : Zeros are being received from the DTE.
CYCLING: Both ones and zeros are being received from the DTE.
Monitors activity on interchange circuit BB (CCITT 104) – Received Data. This is data
sent to the DTE from the DCE on the DSU/CSU.
ON : Ones are being sent to the DTE.
OFF : Zeros are being sent to the DTE.
CYCLING: Both ones and zeros are being received from the DTE.
Monitors the state of interchange circuit CB (CCITT 106) – Clear to Send sent to the
DTE.
ON : CTS is being asserted by the DSU/CSU.
OFF : CTS is not being asserted.
Monitors the state of interchange circuit CA (CCITT 105) – Request to Send received
from the DTE.
ON :
RTS is being asserted by the DTE.
OFF :
RTS is not being asserted.
December 1996
Meaning
3160-A2-GB22-10