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參數(shù)資料
| 型號(hào)： | TNET3001 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SONET STS-1 Overhead Terminator(SONET STS-1附加終端) |
| 中文描述： | SONET的STS - 1的開銷終結(jié)者（SONET的STS - 1的附加終端） |
| 文件頁數(shù)： | 30/49頁 |
| 文件大?。?/td> | 1090K |
| 代理商： | TNET3001 |
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TNETS3001
SONET STS-1 OVERHEAD TERMINATOR
SDNS007B – OCTOBER 1993 – REVISED JUNE 1995
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
control register 5
BIT
NAME
BIT
SPE-only/STS-1 mode control. SPE-only
mode in the terminal side RXRTM bit
must be low.
COMMENTS
NAME
1FA
7
SPE
STS-1 mode in the terminal side
1FA
6
TCLK
Transmitter clock-source select. TLCO
derived from TLCI.
TLCO is derived from TTCI in
serial mode or TPCI in parallel
mode.
1FA
5
RCLK
Receiver clock-source select. RTCO and
TPCO are derived from TLCI. RXRTM bit
must be low.
RTCO and TPCO are derived
from RLCI.
1FA
4
Not defined
Normal operation
This bit must be set low.
1FA
3
TXRTM
Transmit-retiming-mode control.
Enables automatic pointer justifications
by transmit-retiming circuitry.
Disables automatic-pointer
justifications by transmit-retiming
circuitry
See Note 18
1FA
2
Not defined
Normal operation
This bit must be set low.
1FA
1
INC
Increment-pointer control.
Forces pointer increments in line side.
Normal operation
These bits must be reset
two frames after being set to
prevent multiple pointer
justifications (see Note 18).
1FA
0
DEC
Decrement-pointer control. Forces
pointer decrements in line side.
Normal operation
NOTE 18: These bits must be used with caution or an error in transmission can result.
P
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