# Span 1: TE4/0/1 "T4XXP (PCI) Card 0 Span 1" B8ZS/ESF RED
span=1,1,1,esf,b8zs
# termtype: te
bchan=1-23
dchan=24

# Span 2: TE4/0/2 "T4XXP (PCI) Card 0 Span 2" B8ZS/ESF RED
span=2,2,1,esf,b8zs
# termtype: te
bchan=25-47
dchan=48


# Span 3: TE4/0/3 "T4XXP (PCI) Card 0 Span 3" B8ZS/ESF ClockSource
span=3,1,1,esf,b8zs
nethdlc=49-72


uname -a
Linux ubuntu 2.6.20-16-server #2 SMP Thu Jun 7 20:26:23 UTC 2007 i686 GNU/Linux

HEAD from SVN

#define CONFIG_ZAPATA_PPP