参数资料
型号: DS3112+W
厂商: Maxim Integrated Products
文件页数: 33/133页
文件大小: 0K
描述: IC MUX T3/E3 3.3V 256-PBGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 40
控制器类型: 调帧器,多路复用器
接口: 并行/串行
电源电压: 3.135 V ~ 3.465 V
电流 - 电源: 150mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 256-LBGA
供应商设备封装: 256-PBGA(27x27)
包装: 管件
DS3112
128 of 133
Figure 14-6. T3 Stuff Block Structure
M1
Subframe
F4
Stuff
Bit 1
Info
Bit 2
Info
Bit 3
Info
Bit 4
Info
Bit 5
Info
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M2
Subframe
F4
Info
Bit 1
Stuff
Bit 2
Info
Bit 3
Info
Bit 4
Info
Bit 5
Info
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M3
Subframe
F4
Info
Bit 1
Info
Bit 2
Stuff
Bit 3
Info
Bit 4
Info
Bit 5
Info
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M4
Subframe
F4
Info
Bit 1
Info
Bit 2
Info
Bit 3
Stuff
Bit 4
Info
Bit 5
Info
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M5
Subframe
F4
Info
Bit 1
Info
Bit 2
Info
Bit 3
Info
Bit 4
Stuff
Bit 5
Info
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M6
Subframe
F4
Info
Bit 1
Info
Bit 2
Info
Bit 3
Info
Bit 4
Info
Bit 5
Stuff
Bit 6
Info
Bit 7
Info
Bit 8
......
Info
Bit 84
M7
Subframe
F4
Info
Bit 1
Info
Bit 2
Info
Bit 3
Info
Bit 4
Info
Bit 5
Info
Bit 6
Stuff
Bit 7
Info
Bit 8
......
Info
Bit 84
14.8 E13 Basics
E13 multiplexing is a two-step process of merging 16 E1 lines into a single E3 line. First, four of the E1
lines are merged into a single E2 rate and then four E2 rates are merged to form the E3. The first step of
this process is called a E12 function since it is merging E1 lines into E2. The second step of this process
is called a E23 function since it is merging E2 lines into a E3. The term E13 implies that both E12 and
E23 are being performed to map 16 E1 lines into the E3. These two steps are independent and will be
discussed separately.
Table 14-5. E Carrier Rates
E CARRIER
LEVEL
NOMINAL DATA
RATE (Mbps)
E1
2.048
E2
8.448
E3
34.368
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