參數(shù)資料
型號: TMUX03155
英文描述: TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
中文描述: TMUX03155 STS-3/STM-1(非盟- 4)復(fù)用器/解復(fù)用器
文件頁數(shù): 32/120頁
文件大?。?/td> 1542K
代理商: TMUX03155
32
Agere Systems Inc.
Data Sheet
April 2001
TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
Maintenance Functions
(continued)
Transmit Functions
(continued)
H1 and H2 Corruption
Setting the TH1H2CRUPEN[3—1], 0x4E, register, via microprocessor control, allows the outgoing H1 and H2 val-
ues to be corrupted for each STS-1 channel. Either an invalid pointer or a continuous new data flag can be inserted
(TH1H2CRUPPorNDF, 0x4E).
Loss-of-Transmit Clock or Loss-of-Frame Sync
The device will detect a loss-of-transmit clock condition for the clock input in the transmit direction. Also, the device
was designed to detect a loss-of-frame sync for the frame sync input signal (Note, the loss-of-frame sync (TILOF)
feature is not supported in version 3 of the device). The state of
TILOC
and
TILOF (0x19
) along with any changes
to
TILOCFD
and
TILOCFM (0x07 and 0x10)
will be reported to the control system.
Transmit Clock Frequency Provisioning
The device must be provisioned (
THSCLKTYPE[1:0], 0x3C
) with the speed (155.52 MHz—bit, 38.88 MHz—
nibble, 19.44 MHz—byte) of the transmit clock. This information is needed to set the internal clock divider circuitry
and determine valid output port modes (e.g., a byte clock input cannot support a serial output port at
155.52 Mbits/s).
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