Combining T1's on a TE210P?

Hi All. Verizon and my customer insist on combining their two new T1’s into a 47 b-chan, 1 d-chan configuration. I am pretty sure this is possible, but how would I go about configuring the zapata and zaptel.conf for this setup?
I think just configuring 2 spans and split the channels 1-23 with the d chan as the 24th on span 1 and span 2 containing 25-47. Is this correct ? Should I put the D-chan at channel 47 instead ?

Anybody have a reference I can look at ?

Thanks for all the help in advance !