Operational Description
ISAC R -S OUT ISAC R -S IN
Ind.
Cmd.
iY
C /
Ι
State
Unconditional
Transition
S-INFO
iX
ITD02331
Figure 74
3.3.2.1 Layer-1 Command/Indication Codes and State Diagrams in TE/LT-T Modes
Table 12
Commands TE/LT-T
Command (upstream)
Abbr. Code Remarks
Timing
TIM
0000 Activation of all output clocks is requested
Reset
RS
0001 (x)
Send continuous zeros
SCZ
0100 Transmission of pseudo-ternary pulses at
96 kHz frequency (x)
Send single zeros
SSZ
AR8
0010 Transmission of pseudo-ternary pulses at
2 kHz frequency (x)
Activate request, set priority 8
Activate request, set priority 10
Activate request loop
1000 Activation command, set D-channel
priority to 8 (see note)
AR10 1001 Activation command, set D-channel
priority to 10 (see note)
ARL
DIU
1010 Activation of test loop 3 (x)
Deactivate indication upstream
(x) unconditional commands
1111 IOM interface clocks can be disabled
Important Note: In IOM-2 mode (ADF2:IMS=1), when in the activated state (AI8/AI10
indication) the 2B+D channels are only transferred from the IOM-2 to the S/
T interface if an "Activate Request" command is written to the CIX0 register.
Semiconductor Group
171
INFINEON [ Infineon ]
