參數(shù)資料
型號： T7698
廠商： Lineage Power
英文描述： Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器)
中文描述： 四T1/E1線路接口和八路的T1/E1監(jiān)視器（四個T1/E1線接口和八T1/E1的監(jiān)控器）
文件頁數(shù)： 74/112頁
文件大?。?/td> 1359K
代理商： T7698
Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
74
Lucent Technologies Inc.
Frame Monitors
(continued)
Frame Monitor Parameter/Control Registers
The following registers define the mode configuration of each frame monitor unit, and are all read/write registers.
Frame Monitor Mode Option Register (Framer_PR0)
Table 49. Framer_PR0 Frame Monitor Mode Bits Decoding
Table 50. Framer_PR0 Line Code Option Bits Decoding
Frame Monitor CRC-4 Multiframe Control Option Register (Framer_PR1)
This register defines the CEPT CRC-4 options for the frame monitor unit. Frame monitor mode must be CEPT with
CRC-4 to enable this register, otherwise these bits are ignored.
Table 51. CEPT CRC-4 Option Bits Decoding
Frame Format
Bit 7
(See Table 50.)
Bit 6
Bit 5
Bit 4
0
0
0
0
0
0
Bit 3
0
0
0
0
0
0
Bit 2
0
0
0
0
1
1
Bit 1
0
0
1
1
0
0
Bit 0
0
1
0
1
0
1
ESF
D4
DDS with FDL
SLC-96
CEPT with no CRC-4
CEPT with CRC-4
Line Code Format
B8ZS (DS1)/HDB3 (CEPT)
Single Rail
AMI
Bit 7
0
0
0
Bit 6
0
0
1
Bit 5
0
1
1
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(See Table 49.)
Framer_PR1 CRC-4 Options
CRC-4 with 915 Counter
CRC-4 with 100 ms Timer
CRC-4 Interworking Search with 400 ms Timer
CRC-4 with 990 REB Counter
CRC-4 with 990 REB Counter: A Bit = 1 Restart
CRC-4 with 990 REB Counter: Sa6-F
hex
or
Sa6-E
hex
Restart
Bit 7
0
0
0
0
0
0
Bit 6
X
X
X
X
X
1
Bit 5
X
X
X
X
1
X
Bit 4
X
X
X
1
1
1
Bit 3
X
0
1
X
X
X
Bit 2
X
1
0
X
X
X
Bit 1
1
X
X
X
X
X
Bit 0
1
1
1
1
1
1
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