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A1
A1
(F6)
(F6)
B1
(--)
SOH
D1
(00)
H1
H1
Pointer
(62)
(93)
B2
B2
(--)
(--)
D4
(00)
LOH
D7
(00)
D10
(00)
Z1
S1
(00)
(00)
Remarks (
) : Default value (H)
: Byte area that cannot be rewritten by an external device (automatically set by
: Byte area that can be changed by writing a register.
(Can also be changed from the external insert interface of the OH byte.)
: Byte area in which some bits can be changed by writing a register.
(Only the SS bits of the H1 byte can be rewritten.)
(K2 and G1 can be set by a register or automatically set by the µPD98413.)
: Byte area that can be changed by the external insert interface of the OH byte.
: Unused byte area. Default value is 00H.
(Can be changed by the external insert interface of the OH byte.)
A1, A2 : Frame synchronization
J0
: Section trace
Z0
: Section growth
B1
: Section BIP-8
E1
: Order wire
F1
: Section user channel
D1-D3 : Section data communication
channel
H1, H2 : Pointer
H3
: Pointer action byte
CHAPTER 3 FUNCTIONAL OUTLINE
Overhead (OH) Field
A1
A2
A2
(F6)
(28)
(28)
E1
(00)
D2
(00)
H2
H2
H1
(93)
(0A)
(FF)
B2
K1
(00)
(--)
D5
(00)
D8
(00)
D11
(00)
Z1
Z2
M1
Z2
(00)
(00)
(00)
(--)
B2
: Line BIP-96
K1, K2 : APS channel
D4-D12 : Line data communication
channel
S1
: Synchronization massaging
Z1
: Growth
Z2
: Growth
M1
: STS-N line REI
E2
: Order wire
PRELIMINARY
A2
J0
Z0
(01)
(02)
(28)
F1
(00)
D3
(00)
H2
H3
H3
(FF)
(00)
(00)
K2
(00)
D6
(00)
D9
(00)
D12
(00)
Z2
E2
(00)
(00)
J1
: STS path trace
B3
: Path BIP-8
C2
: STS path signal label
G1
: Path status
F2
: Path user channel
H4
: Multiframe indicator
Z3-Z5 : Growth
NEC confidential and Proprietary
Z0
Hea
(0C)
d
B3
(--)
C2
(13)
H3
G1
(--)
(00)
F2
(00)
H4
(00)
Z3
(00)
Z4
(00)
Z5
(00)
POH
µ
PD98413).
39
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