參數(shù)資料
型號: T7230A
廠商: Lineage Power
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 82/110頁
文件大小: 752K
代理商: T7230A
Preliminary Data Sheet
T7230A Primary Access Framer/Controller
June 1997
78
Lucent Technologies Inc.
Register Structure
(continued)
Status/Counter Registers
(continued)
Unavailable Seconds Counter Register (SR16—SR17) — 16-Bit Counter
Table 48. Unavailable Seconds Counter Register (SR16—SR17)
Bipolar Violation Counter Register (SR18—SR19)
The 16-bit count of received bipolar violations; when enabled nibbles of no 0s are also counted.
Table 49. Double Bipolar Violation Counter Register (SR18—SR19)
Frame Bit Error Counter Register (SR20)
Frame bit errors are not counted during loss of frame alignment.
Table 50. Framing Bit Error Counter Register (SR20)
Received Sa Register (SR21)
This register contains the last valid received Sa bits in the NOT FAS frame time slot 0 while the receive framer was
in basic frame alignment. This register is updated every NOT FAS frame.
Table 51. Receive Sa-Bit Register (SR21)
Received Si and X Register (SR22)
This register contains the last valid received control bits in CEPT time slot 16 signaling multiframe frame 0 while the
receive framer was in signaling multiframe alignment. Also, this register contains the last valid received Si bits in
the NOT FAS frame time slot 0 while the receive framer was in basic frame alignment.
Table 52. Receive Si-Bit and X-Bit Register (SR22)
Byte
Bits
Description
MSB
7—0
Unavailable Seconds Counter Bits (UASC15—UASC8).
LSB
7—0
Unavailable Seconds Counter Bits (UASC7—UASC0).
Byte
MSB
LSB
Bits
7—0
7—0
Description
BPVs Counter (BPV15—BPV8).
BPVs Counter (BPV7—BPV0).
Byte
LSB
Bits
7—0
Description
Frame Bit Error Counter (FBE7—FBE0).
Bit 7
0
Bit 6
0
Bit 5
0
Bit 4
RSa8
Bit 3
RSa7
Bit 2
RSa6
Bit 1
RSa5
Bit 0
RSa4
Bit 7
0
Bit 6
0
Bit 5
Bit 4
Bit 3
0
Bit 2
RX2
Bit 1
RX1
Bit 0
RX0
RSi-NOT FAS RSi-FAS
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