Module Descriptions, RFL 9508D Digital Section
Table 8-7. T1 receive status functions
Group Function Description
BLNK
RxYl
Received Yellow. When included in the BLNK group, indicates that a
Yellow Alarm
Signal
is detected at the T1 input.
Received All Ones. When included in the BLNK group, indicates that an
All-Ones Signal
(framed or unframed) is detected at the T1 input.
Rx11
XsJt
Excessive Jitter. When included in the BLNK group, indicates that the receiver jitter
buffer has overflowed. This may indicate that the receive signal contains excessive jitter.
RVU1
RcLs
Receiver Carrier Loss. When the Receiver Carrier Loss function is displayed, the bi-color
ON/OFF indicator will light to indicate the status of the T1 receiver carrier:
GREEN: The receiver has not lost carrier.
RED: The receiver has lost carrier.
Table 8-8. T1 timing status functions
Group Function Description
BLNK
FTIM
Fallback Timing. When included in the BLNK group, indicates that the transmitter is in
its fallback timing mode.
RVU1 TxRx
Transmit/Receive Lock. When the Transmit/Receive Lock function is displayed, the bi-
color ON/OFF indicator will show whether the transmitter timing is synchronized to
the received T1 signal timing:
GREEN: The transmitter and receiver timing clocks are locked.
RED: The transmitter and receiver timing clocks are not locked.
RFL 9508D UCC
RFL Electronics Inc.
March 11, 2010
8-14
(973) 334-3100
