IBM3229P2035
Advance
IBM Packet Routing Switch Serial Interface Converter
Bits/
Word
Bits /
Bytes
Name
Description
Notes
1,3
1
Ingress Buffer Overrun, occurs upon abnormal condition and requires
chip re-initialization.
8
7
0
7
XISBover
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.
XDASLPEr
1
0
1
Port is synchronized and is not experiencing error.
DASL eye error detected. Remains ‘ON’ as long as the condition per-
sists and register @08 bit 15 is not activated.
6
5
4
6
5
4
XDPrtErr
XDsigLoss
XYellRcv
1
1
1
0
1
No eye error (receiver eye is wide open)
DASL loss of signal is detected. Remains ‘ON’ as long as the condition
is present.
0
1
DASL receiver detects valid signal
EDI detects a yellow packet coming from the switch (the bit is cleared
by writing 0)
0
No yellow packet detected by EDI
3
2
3
2
Unused
1
0
Output Queue Grant flywheel counter is desynchronized
XGrtPty
XICRCErr
XHPty
1
1
1
Output Queue Grant flywheel counter is synchronized
1
0
LU CRC error is detected in switch idle packet (EDI)
No LU CRC is detected in EDI
1
0
1
0
1
0
Parity error is 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.
prssi.02.fm
Converter Configuration Table Registers
Page 63 of 154
March 1, 2001
IBM [ IBM ]
