CN8223
3.0 Registers
ATM Transmitter/Receiver with UTOPIA Interface
3.7 Status Register Overview
Table 3-17 lists status indications for all modes.
Table 3-17. Status Indications for All Modes
STS-1/STS-3
c/STM-1
Internal G.751
E3
Ext. Framer
(57 octet)
Ext. Framer
(53 octet)
Bit
Internal DS3
G.832 E3/E4
15
Line FEBE
Error
0
0
0
0
0
14
13
12
11
10
9
One-Sec.
Count
One-Second
Count
One-Second
Count
One-Second
Count
One-Second
Count
One-Second
Count
Signal Label
Mismatch
Invalid FEBE
Payload Type
Mismatch
Invalid FEBE
Invalid FEBE
Invalid FEBE
Path FERF
Error
FEBE All 1s
MA FERF
MA FEBE
EM BIP Error
x
FEBE All 1s
FEBE All 1s
FEBE All 1s
Path FEBE
Error
PLCP FEBE
Error
PLCP FEBE Error
PLCP BIP Error
PLCP FEBE Error
PLCP BIP Error
x
Summary BIP
Error
PLCP BIP
Error
x
x
Line FERF
PLCP Frame
Error
PLCP Frame
Error
PLCP Frame
Error
8
LOC
PLCP
Yellow/LOC
LOC
PLCP Yellow
PLCP Yellow
LOC
7
6
5
STS LOF 2–3
STS LOF
PLCP LOF 2–3
E3/E4 LOF 2–3
E3/E4 LOF
PLCP LOF 2–3
PLCP LOF
PLCP LOF 2–3
PLCP LOF
x
x
PLCP LOF
STS OOF
PLCP
OOF/LOC
E3/E4 OOF
PLCP OOF
PLCP OOF
LOC
4
Path Yellow
DS3 X-bit
Yellow
x
E3 A-bit Yellow
x
x
3
2
1
0
Path AIS
Line AIS
DS3 Idle Code
DS3 AIS
x
E3/E4 AIS
x
x
E3 AIS
x
x
x
x
x
x
STS LOP
LOS (Input)
DS3 OOF
E3 OOF
LOS (Input)
LOS (Input)
LOS (Input)
LOS (Input)
LOS (Input)
NOTE(S): “x” = Bit position is undefined and should be ignored.
100046C
Conexant
3-35
CONEXANT [ CONEXANT SYSTEMS, INC ]
