DS33R41 Maxim Integrated Products, DS33R41 Datasheet - Page 46
DS33R41
Manufacturer Part Number
DS33R41
Description
Network Controller & Processor ICs Inverse-Multiplexing Ethernet Mapper wit
Manufacturer
Maxim Integrated Products
Datasheet
1.DS33R41.pdf
(335 pages)
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9.8.2 IMUX Command Protocol
The format for all commands sent and received in Channel 2 of the IBO Serial Interface is shown in
The MSB for all commands is a “1.” The next 6 bits contain the actual opcode for the command. The LSB is the
even parity calculation for the byte. These commands will be sent and received on Channel 2 of each of the T1/E1
interleaved IBO data. The commands that are possible are outlined in
IMUX link are separate and the Channel 2 for each link will send and receive commands specific to that link. The
microprocessor can disable links that are not to be aggregated.
Figure 9-5. Command Structure for IMUX Function
Table 9-3. Commands Sent and Received on the IMUX Links
COMMAND
Sequence
Link Start
NAME
Rsync
OOF
Nop
M
S
B
"1"
COMMAND BYTE
(P IS EVEN
1000 001P
1000 011P
1000 100P
1111 111P
1sss 010P
PARITY)
Command
TRANSMIT /
RECEIVE
Tx or Rx
Tx or Rx
Tx or Rx
Tx or Rx
Tx or Rx
46 of 335
Initiate the link. The receiver will then search for 3
consecutive sequence numbers.
“sss” contains the frame sequence number for
packet segmentation and reassembly.
This command is sent to indicate to the distant
node that link synchronization has been achieved.
The transmitting device has detected an out of
frame condition.
No operation.
Parity
Even
S
B
L
Table
9-3. Note that the 4 portions of the
COMMENTS
Figure
9-5.
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