HP JF253-61101 - MSR 1-port E1/CE1/PRI SIC module (SIC-EPRI) - Smart Interface Card (SIC) E1/CE1/PRI compatible interface module with one DB 15-pin connector that handles E1 data streams, channelized E1 access, and ISDN PRI function Retail
HP JF842-61001 - MSR 2-port fractional E1 SIC module (SIC-2E1-F) - Smart Interface Card (SIC) interface module with one D-15 connector that features transmission, receiving and handling of E1 data streams and CE1 (channelized E1) access Retail
