PEB 2091
PEF 2091
Programming
6.7.3
Examples for Single Channel Loop-Back #2 Control
The typical procedure for closing and opening a single channel loop-back is
demonstrated in the examples below.
Single-Channel Loop-Back in EOC Auto 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 LB1 (51H)
<––––– ; Close B1 loop (EOC)
; Loop B1 closed
<––––– MON-0 LB1 (51H)
<––––– MON-0 LB2 (52H)
MON-0 LB1 (51H)
–––––> ; Receive acknowledgment
<––––– ; Close B2 loop-back (EOC)
MON-0 LB2 (52H)
; Loop-back B1 and B2
; closed
MON-0 LB2 (52H)
–––––> ; Receive acknowledgment
<––––– ; Open all loop-backs
; All loop-backs opened
MON-0 RTN (FFH)
<––––– MON-0
RTN
(FFH)
MON-0 RTN (FFH)
–––––> ; Receive acknowledgment
In the above example the LT is operated in EOC Auto mode.
Semiconductor Group
239
Data Sheet 01.99
INFINEON [ Infineon ]
