PEB2080 SIEMENS [Siemens Semiconductor Group], PEB2080 Datasheet - Page 46

• Manufacturer Part Number: PEB2080
• Description: S/T Bus Interface Circuit(SBC)
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Commands / Indications and State Diagrams in LT-S Mode
Table 3
Command (downstream) Abbr.
Deactivate request
Send continuous zeros
Send single zeros
Activate request
Activate request loop
Deactivate indication
Indication (upstream)
Lost signal level
Lost framing
Activate request
Activate indication
Deactivate indication
(x) unconditional commands
Semiconductor Group
DR
SCZ
SSZ
ARD
ARL
DID
Abbr.
LSL
RSYU
ARU
AIU
DIU
Code
0000
0010
0010
1000
1010
1111
Code
0001
0100
1000
1100
1111
47
Remark
(x)
Transmission of pseudo-ternary pulses at
96-kHz frequency (x)
Transmission of pseudo-ternary pulses at
2-kHz frequency (x)
Activation request for loop 2
Deactivation acknowledgement, quiescent
state
Remark
No receive signal
Receiver is not synchronous
Info 1 received
Synchronous receiver
Timer (32 ms) expired or info 0 received
(during 16 ms) after deactivation request
Operational Description