Net to Net Technologies TIM1500 User Manual page 9

TIM1500-24 and TIM1500-12
There is only one RJ21 port, for each module
slot, to which a T1 connection can be made.
This connection will support T1 ports 1-12
on both the TIM1500-12 and the TIM1500-24;
you will not be able to utilize ports 13-24
on a TIM1500-24 installed in an IPD12000 or
IPD4000.
210-0000053 rev02 TIM1500 User Guide Page 9 of 21