NEC UPD98413 User Manual page 251

(84) Receive section and line layer event status register (SSLER)
This register indicates the current status of each event.
Register
Name
Port0:
SSLER 01F0
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31-D12 Reserved Reserved
SD
D11 1: SD event in progress
SF
D10 1: SF event in progress
CD
D9 1: The CD input is low.
Reserved Reserved
D8
D7 PSBF 1: PSBF event in progress
LRDI
D6 1: Line RDI event in progress
LAIS
D5 1: Line AIS event in progress
STIU
D4 1: Section TIU event in progress
D3 STIM 1: Section TIM event in progress
LOF
D2 1: LOF event in progress
OOF
D1 1: OOF event in progress
LOS
D0 1: LOS event in progress
Note: the default value of this register is depends on input level of the CD pin.
CHAPTER 5 REGISTERS
Address
Port1: Port2: Port3:
05F0 09F0 0DF0
27 26 25 24
Reserved
11 10 9 8
SD SF CD Res
PRELIMINARY
Access Default
R Note
23 22 21 20
7 6 5 4
PSBF LRDI LAIS STIU
Function
0: SD event is not detected.
0: SF event is not detected.
0: The CD input is high.
0: PSBF event is not detected.
0: Line RDI event is not detected.
0: Line AIS event is not detected.
0: Section TIU event is not detected.
0: Section TIM event is not detected.
0: LOF event is not detected.
0: OOF event is not detected.
0: LOS event is not detected.
NEC confidential and Proprietary
Function
Read-only
19 18 17 16
3 2 1 0
STIM LOF OOF LOS
Default
All 0
0
0
Note
Note
0
0
1
0
0
1
1
0
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