tdat04622 ETC-unknow, tdat04622 Datasheet - Page 301

• Manufacturer Part Number: tdat04622
• Description: Tdat Sonet/sdh 155/622/2488 Mbits/s Data Interfaces
• Manufacturer: ETC-unknow

Data Sheet
May 2001
Agere Systems Inc.
Reference of SONET/SDH Terms and Comparisons
Definitions of SONET/SDH Bytes
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
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I
A1: Framing byte 0xF6
A2: Framing byte 0x28
B1: BIP-8 parity for section (regenerator section)
B2: BIP-8xN parity for STS-N signal for line (multiplexer section)
B3: BIP-8 parity for path
C1: Redefined to J0/Z0
D1—D3: Section (regenerator section) data communication channels
D4—D12: Line (multiplexer section) data communication channels
E1: Section (regenerator section) orderwire
E2: Line (multiplexer section) orderwire
F1: Section user channel
F2, F3: Path user channels
G1: Path status byte
H1, H2: Higher-order (AU) pointer
H3: Pointer action byte
H4: Multiframe indicator
J0: Section (regenerator section) trace
J1: Path trace
J2: Lower-order path trace
K1, K2: Automatic protection switching (APS) channel and line (multiplexer section) RDI
K3: Path APS
K4: Lower-order path APS
M1: Line (multiplexer section) REI
N1: Higher-order tandem connection
N2: Lower-order tandem connection
S1: Synchronization status
V1, V2: Lower-order (TU) pointer
V3: Lower-order pointer action byte
V4: Reserved
V5: Lower-order BIP-2, SLM, and status
Z0, Z1, Z2: Growth bytes
155/622/2488 Mbits/s Data Interface
TDAT042G5 SONET/SDH
273