First, I'm not Bilingual so excuse my English.
PVDM2-12DM, etc
Is there a schedule that can be used by the BRI interface?
Note: These digital modem modules must operate in conjunction with a T1/E1 Primary Rate Interface (PRI).
http://www.cisco.com/en/US/products/hw/modules/ps2641/products_data_sheet0900aecd8050918e.html#wp9000095
Best regards,