TXC-06412BROG Transwitch Corporation, TXC-06412BROG Datasheet - Page 122
TXC-06412BROG
Manufacturer Part Number
TXC-06412BROG
Description
Manufacturer
Transwitch Corporation
Datasheet
1.TXC-06412BROG.pdf
(226 pages)
Specifications of TXC-06412BROG
Lead Free Status / Rohs Status
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PHAST-12P Device
DATA SHEET
TXC-06412B
PRELIMINARY TXC-06412B-MB, Ed. 2
June 2005
11.3 TERMINAL SIDE POINTER GENERATION
11.4 FRAME REFERENCE PULSES
Sourced VC-3/VC-4/VC-4-Xc/STS-1/STS-3c/STS-6c/STS-9c/STS-12c SPE channels will
have a AU-3/AU-4/AU-4-Xc/STS-1/STS-3c/STS-6c/STS-9c/STS-12c pointer value fixed to 0
or 522. This value has to be configured in the Terminal Pointer Generator.
SS bits are configurable.
A Frame Reference Pulse is necessary wherever timing has to be (re)generated in the
PHAST-12P. The PHAST-12P can lock on an externally provided Frame Reference Pulse,
making it possible to align with other devices, or generate the Frame Reference Pulse
internally.
The (generated) System Frame Reference Pulse is available via the REFSYSFS lead.
REFSYSFS
REFTXFS
-
High Order Pointer Tracking, Retiming and Pointer Generation
Figure 35. Frame Reference Pulse Generation
Generator
Generator
ATM/PPP
Pointer
Ingress
POH
Tracking
Retimer
Pointer
High Order Path Cross Connect
-
Tracking
Retimer
Pointer
1 2 2 o f 2 26
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