IBM3229P2035
Advance
IBM Packet Routing Switch Serial Interface Converter
Figure 34: Detection of Line Card Fully Inserted
vcc
GND
DASL_DRV_ENB
Line Card
Backplane
Table 24: Receive PE Interface Signals See PE interface description (ingress and egress descriptions)for
functional description
Input/Out-
Name
Levels
Description
put
RXDATA_31...
RXDATA_0
Input
LVCMOS
LVCMOS
Input Data Bus from PE to the converter
Provide optional odd parity checking on input Data Bus from PE to the
converter
RXPRTY
Input
RXSOP
RXPAV
Input
Input
LVCMOS
LVCMOS
Start of packet from PE to converter
Indicates that at least one packet is available in the PE
Asserted by converter during packet cycles when the PE is allowed to
send data
RXENB
Output
LVCMOS
Table 25: Transmit PE Interface Signals
Input/Out-
Name
Levels
Description
put
TXDATA_31...
TXDATA_0
Output Data Bus from the converter to the PE. Signals are Hi-Z when
the converter is not selected
Output
LVCMOS
LVCMOS
Provide optional odd parity bit on output Data Bus from the converter
to PE. Signals are Hi-Z when the interface is not selected
TXPRTY
TXSOP
Output
Output
Asserted by the IBM Packet Routing Switch Serial Interface Converter
to the PE to indicate the position of the start of packet. Signal is Hi-Z
when the interface is not selected.
LVCMOS
TXFULL
TXENB
Input
LVCMOS
LVCMOS
The PE has no space available for any additional packets
Asserted by converter during packet cycles when the PE is allowed to
receive data
Output
prssi.02.fm
March 1, 2001
I/O Definition and Package Pin Assignment
Page 115 of 154
IBM [ IBM ]
