PEB 2091
PEF 2091
Programming
Single-Channel Loop-Back in EOC Transparent Mode
NT
LT
–––––> C/I AI
<––––– C/I AI
(1100B) C/I AR
(1100B) C/I AI
(1000B) <––––– ; U-interface is activated
(1100B) –––––>
MON-0
LBBD
(51H)
<––––– ; Close B1 loop (EOC)
<––––– MON-0 LB1 (51H)
; Request passes IEC
; transparent
–––––> MON-0 LB1 (51H)
–––––> MON-8 LB1 (F4H)
MON-0 LBBD (51H)
–––––> ; Transmit acknowledgment
; Close B1 loop in IEC
MON-0
LBBD
(52H)
<––––– ; Close B2 loop (EOC)
<––––– MON-0 LB2 (52H)
; Request passes IEC
; transparent
–––––> MON-0 LB2 (52H)
–––––> MON-8 LB2 (F2H)
MON-0 LB2
(52H)
–––––> ; Transmit acknowledgment
; Close B2 loop in IEC
; B1 and B2 closed
MON-0 RTN (FFH)
<––––– ; Request to open all loops
–––––> ; Receive acknowledgment
; Open all loop-backs
–––––> MON-0 RTN (FFH)
MON-0 RTN (FFH)
–––––> MON-8
NORM
(FFH)
In the above example the LT is operated in EOC Auto mode.
Semiconductor Group
240
Data Sheet 01.99
INFINEON [ Infineon ]
