DS2196 Dallas Semiconducotr, DS2196 Datasheet - Page 58

• Manufacturer Part Number: DS2196
• Description: T1 Dual Framer LIU
• Manufacturer: Dallas Semiconducotr

SR1B: STATUS REGISTER 1 FRAMER B (Address = C0 Hex)
(MSB)
LUP
SYMBOL
LSPARE
LOTC
RYEL
FRCL
RLOS
LDN
RBL
LUP
LDN
POSITION
SR1B.7
SR1B.6
SR1B.5
SR1B.4
SR1B.3
SR1B.2
SR1B.1
SR1B.0
LOTC
LSPARE
NAME AND DESCRIPTION
Loop Up Code Detected. Set when the loop up code as
defined in the RUPCD register is being received. See Section
12 for details.
Loop Down Code Detected. Set when the loop down code as
defined in the RDNCD register is being received. See Section
12 for details.
Loss of Transmit Clock. Set when the TCLKB pin has not
transitioned for one channel time (or 5.2 ms). Will force the
RLOSB/LOTCB pin high if enabled via CCR1B.6. Also will
force transmit side formatter to switch to MCLK if so enabled
via TCR1B.7.
Spare Code Detected. Set when the spare code as defined in
the RSPARE register is being received. See Section 12 for
details.
Receive Blue Alarm. Set when an unframed all 1’s code is
received at RPOSIB and RNEGIB.
Receive Yellow Alarm. Set when a yellow alarm is received
at RPOSIB and RNEGIB.
Framer Receive Carrier Loss. Set when a red alarm is
received at RPOSIB and RNEGIB.
Receive Loss of Sync. Set when the device is not
synchronized to the receive T1 stream.
58 of 157
RBL
RYEL
FRCL
(LSB)
RLOS
DS2196