參數(shù)資料
型號: TMPR28051
英文描述: TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device
中文描述: TMPR28051 STS-1/AU-3(的STM - 0)映射為版本的設(shè)備5設(shè)備咨詢
文件頁數(shù): 26/90頁
文件大?。?/td> 1090K
代理商: TMPR28051
Data Sheet
August 1999
TMPR28051 STS-1/AU-3 (STM-0) Mapper
12
Lucent Technologies Inc.
DS1/E1 to STS-1 Block Descriptions
(continued)
VT Generate
(continued)
In addition to generating the superframe, this block
automatically generates the BIP-2 signal. Each VT can
be configured to intentionally insert continuous BIP-2
errors for troubleshooting purposes (BIP2ERINS[1:28]
= 1 in bit 7 of registers 0x4F—0x6A). This BIP error
insert field forces errors on both BIP-2 bits.
The resultant VT1.5 and VT2 superframes are shown
in Table 4 and Table 5,
Where:
Byte[24/32:1] = information bit
O = overhead bit
R = fixed stuff bit
V1, V2, V3 = pointer and pointer action bytes
S1, S2 = stuff opportunity bits
V4 = reserved
C1, C2 = stuff indication bits
V5 = VT overhead byte
J2, Z6/N2, Z7/K4 = unused
Table 4. VT1.5 Superframe
Table 5. VT2 Superframe
V1
V5
RRRRRRIR
Byte 1
:
Byte 24
V2
J2
C1C2OOOOIR
Byte 1
:
Byte 24
V3
Z6/N2
C1C2OOOOIR
Byte 1
:
Byte 24
V4
Z7/K4
C1C2RRRS1S2R
Byte 1
:
Byte 24
VT1.5
Superframe
V1
V5
RRRRRRRR
Byte 1
:
Byte 32
RRRRRRRR
V2
J2
C1C2OOOORR
Byte 1
:
Byte 32
RRRRRRRR
V3
Z6/N2
C1C2OOOORR
Byte 1
:
Byte 32
RRRRRRRR
V4
Z7/K4
C1C2RRRRRS1
S2 Byte 1[6:0]
:
Byte 32
RRRRRRRR
VT2
Superframe
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