PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 79

• Manufacturer Part Number: PEF2256
• Description: E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
• Manufacturer: INFINEON [Infineon Technologies AG]

Figure 23
User’s Manual
Hardware Description
Notes:
su: signaling units counter
C
counter
T: error threshold (64 or 32),
selectable by CCR5.SUET
Reset Counter values
[CMDR2.RSUC = 1]
s
Automatic Handling of Errored Signaling Units
: errored signaling units
[ISR1.SUEX = 1]
SU in error?
C
su := su + 1
Link failure
in service
s
C
C
su := 0
:= C
s
Idle
s
Idle
= T ?
:= 0
s
Y
Y
+ 1
N
N
79
su := su + 1
C
su = 256 ?
in service
C
s
su := 0
s
:= C
= 0 ?
N
Y
s
-1
Functional Description E1
N
Y
DS1.1, 2003-10-23
PEF 2256 H/E
F0071
FALC
®
56