First line: HDB3 T7288 CEPT/E1 Line InterfaceAbstract: .. T - 7288 - - - EL 28-Pin 28-Pin SOJ ‐40 C to +85 C 105742605. 0.020 MAX. H. 0.64 MIN. 0.10. SEATING PLANE. 1.27 TYP. W. N. 1. B. PIN #1 IDENTIFIER ZONE. L. 5-4413.R1. Data Sheet January 1998 T7288 T7288 CEPT/E1 Line Interface. 21 Lucent .. Tags: HDB3 coaxial linkHDB3T7288