IBM3229P2035
IBM Packet Routing Switch Serial Interface Converter
Advance
Bits /
Word
Bits /
Bytes
Name
Description
Notes
1, 3
1
Ingress Buffer Overrun, occurs upon abnormal condition and
requires chip re-initialization.
8
0
7
YISBover
0
1
No buffer overrun (normal operation)
DASL port error detected (returned when a port cannot be synchro-
nized because the minimum eye opening criteria is not met or a
data misalignment has been detected). Remains ‘ON’ as long as
condition is present.
7
YDASLPEr
YDPrtErr
1
1
0
1
Port is synchronized (not experiencing any error)
DASL eye error detected. Remains ‘ON’ as long as the condition
persists and that register @28 bit 15 is not activated.
6
5
6
5
0
1
No eye error (receiver is wide open)
DASL loss of signal detected. Remains ‘ON’ as long as the condi-
tion is present.
YDsigLoss
YYellRcv
1
1
0
DASL receiver detects valid signal
1
0
EDI detects yellow packet coming from the switch
No yellow packet detected by EDI
4
3
2
4
3
2
Unused
1
0
Output Queue Grant flywheel counter is desynchronized
YGrtPty
YICRCErr
YHPty
1
1
1
Output Queue Grant flywheel counter is synchronized
1
0
LU CRC detected in switch idle packet (EDI )
No LU CRC detected in EDI
1
0
1
0
1
0
Parity error detected on switch header on egress side (EDI)
No switch header parity error is detected
1. I = an interrupt is raised because of error or status change.
2. S = status and is reported through polling.
3. In case of buffer overrun all packets are discarded.
Converter Configuration Table Registers
Page 74 of 154
prssi.02.fm
March 1, 2001
IBM [ IBM ]
