PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 130

• Manufacturer Part Number: PXB4221
• Description: IWE8 Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

next_slot_nr Next slot number
snp_check
sn_check
sc_fast
sdt_mfs
sdt_oos_nr
sdt_par
Data Sheet
band_width[3:0]
Number of the second slot of this channel. When no continuation slots
exist, the entry “next_slot_nr” should refer to the reference slot.
X =
SNP field check enable
X =
0 =
1 =
SN field check enable
X =
0 =
1 =
SC algorithm select
X =
0 =
1 =
SDT multiframe pulse select
X =
0 =
1 =
Number of SDT out of sync errors before re-initialization buffer
X =
00 =
01 =
10 =
11 =
SDT pointer parity check enable
X =
0 =
If pcfN[p_ces] = 1
If [aal0] = 1 or [sn_check] = 0
Disabled
Enabled
If [aal0] = 1
Disabled
Enabled
If [aal0] = 1 or [sn_check] = 0
Standard SC algorithm
Fast SC algorithm
If [aal0] = 1 or [sdt] = 0 or pcfN[p_ces] = 1
Start of structure is frame pulse
Start of structure is multiframe pulse
If [aal0] = 1 or [sdt] = 0
Re-initialize after 1 out of sync error (recommended)
Re-initialize after 2 out of sync error
Re-initialize after 3 out of sync error
Not allowed, IWE8 will not be able to re-initialize
If [aal0] = 1 or [sdt] = 0
Disabled
130
sdt
PXB4219 / PXB4220 / PXB4221
channel_mode[1:0]
Memory Structure
2002-05-06
ref_slot
= 1