TXC-04222-AIOG Transwitch Corporation, TXC-04222-AIOG Datasheet - Page 83
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TXC-04222-AIOG
Manufacturer Part Number
TXC-04222-AIOG
Description
Manufacturer
Transwitch Corporation
Datasheet
1.TXC-04222-AIOG.pdf
(246 pages)
Specifications of TXC-04222-AIOG
Screening Level
Industrial
Package Type
BGA
Lead Free Status / Rohs Status
Not Compliant
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UNEQUIPPED GENERATION
The TEMx28 Mapper is capable of generating and sending an unequipped channel or unequipped supervisory
channel over either the A or B buses or both buses for channel n. An unequipped VT/TU format consists of:
An unequipped supervisory VT/TU format consists of:
The various states associated with an unequipped channel selection are shown in the table below. Where n is
equal to 1-28.
Note: Control bits ATnTPTV (bit 5, X+063H) and BTnTPTV (bit 5, X+0D3H) must be set to 0 when generating
unequipped or supervisory unequipped.
• Normal NDF (0110) in the V1/V2 pointer bytes
• Size bits equal to 11 in the V1/V2 pointer bytes for VC-11 and 10 for VC-12
• Pointer value equal to 78 (decimal) for VC-11 and 105 (decimal) for VC-12
• V4 byte equal to 0 or the microprocessor written value
• Payload bytes equal to 0
• Valid BIP-2 value in the V5 byte
• All other bits in the overhead bytes equal to 0.
• Normal NDF (0110) in the V1/V2 pointer bytes
• Size bits equal to 11 in the V1/V2 pointer bytes for VC-11 and 10 for VC-12
• Fixed pointer value equal to 78 (decimal) for VC-11 and 105 (decimal) for VC-12
• V4 byte equal to 0 or the microprocessor written value
• Valid J2 byte
• Valid REI in the V5 byte
• Valid BIP-2 value in the V5 byte
• Valid RDI value (single bit or three bit)
• K4 byte equal to 0 for single bit RDI mode; Bits 1-4, 8 equal 0 for three bit RDI mode
• Signal label equal to 0 in the V5 byte
• RFI bit in the V5 byte set to 0
• N2 byte can be enabled for TC operation, otherwise it is set to 0
• Payload bytes equal to 0.
(bit 4, X+0D3H)
(bit 4, X+063H)
AnUQGE
BnUQGE
Proprietary TranSwitch Corporation Information for use Solely by its Customers
0
1
1
(bit 3, X+0D3H)
(bit 3, X+063H)
AnUQSU
BnUQSU
X
0
1
Normal Operation.
Unequipped TU/VT Generated
Unequipped Supervisory TU/VT Generated
DATA SHEET
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TXC-04222-MB, Ed. 6
TXC-04222
TEMx28
June 2003
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