TXC-04222-AIOG Transwitch Corporation, TXC-04222-AIOG Datasheet - Page 183
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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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Proprietary TranSwitch Corporation Information for use Solely by its Customers
7-2
Bit
7
6
5
4
3
2
1
0
1
0
RnLINT1
RnLINT0
RnOUTL
TnVTVC
RnE1SL
Symbol
TnSEL1
TnSEL0
FnRDIS
TnDISB
RnSEL
Receive Line Interface Selection: The receive line interface for channel
n is selected according to the following table:
RnLINT1
Receive Line Interface High Z or 0 Selection: Enabled only when the
RnLINT1 and RnLINT0 controls bits are set to 00. A 0 forces the line inter-
face output signals to a high Z state. A 1 forces the line interface output
signals to the 0 state. The TU/VT must be selected to drive the receive
output low. If using Single Unidirectional Ring mode, forcing outputs to
zero state is inhibited.
Receive Line Rate Selection: A 1 selects the E1 line rate for channel n. A
0 selects the DS1 line rate.
REI and RDI Disabled: Enabled when the single unidirectional mode
(control bits TnSEL1, TnSEL0 are equal to 01) is selected. A 1 disables
receive side alarms or an out of range condition from generating RDI. In
addition, the REI value is transmitted as a zero.
Channel n A/B Drop/Add Bus Selection: The table below lists the selec-
tion criteria for the eight available modes of operation of channel n:
Not used:
Transmit VT/TU Overhead Byte Selection: Enabled with the VT/TU
transmit line interface is selected. A 0 enables the output clock TVTCn to
be gapped during the four overhead byte times. A 1 enables the clock to
be symmetrical. Except for bits 1 and 2 in the K4 byte, the remaining bits
in the four overhead bytes are ignored.
Transmit Single Bit RDI Enable: A 1 configures the A and B add sides
for channel n for single bit RDI operation. A 0 configured add channel for
three bit RDI.
TnSEL1 TnSEL0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
RnLINT0
- 183 of 246 -
DATA SHEET
0
1
0
1
RnSEL
0
1
0
1
0
1
0
1
High Z or 0 depending on the state of the RnOUTL
control bit.
NRZ Interface.
Rail Interface. B8ZS or AMI line code for the DS1
line rate. HDB3 or AMI line code for the E1 line
rate.
VT/TU Interface.
Line Interface Selected
Operating Mode
A Drop only (Drop)
B Drop only (Drop)
A Drop A Add (Single Unidirectional Ring)
B Drop B Add (Single Unidirectional Ring)
A Drop B Add (Multiplexer)
B Drop A Add (Multiplexer)
A Drop A and B Add (Dual Unidirectional Ring)
B Drop B and A Add (Dual Unidirectional Ring)
Description
TXC-04222-MB, Ed. 6
TXC-04222
TEMx28
June 2003
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