|   | TE3-MUX | Infineon Technologies |  |  | te3-mux m13 multiplexer and ds3 framer | 
    |   | XRT72L13 | Exar Corporation |  |  | m13 multiplexer/clear channel ds3 framer IC | 
    |   | MH89790B | Mitel Networks Corporation |  |  | ST-bus⑩ family cept pcm 30/crc-4 framer & interface preliminary information | 
    |   | MH89790BN | Mitel Networks Corporation |  |  | ST-bus⑩ family cept pcm 30/crc-4 framer & interface preliminary information | 
    |   | MH89790BS | Mitel Networks Corporation |  |  | ST-bus⑩ family cept pcm 30/crc-4 framer & interface preliminary information | 
    |   | PM4328 | PMC-Sierra, Inc |  |  | high density T1/E1 framer with integrated m13 multiplexer | 
    |   | PM4328-PI | PMC-Sierra, Inc |  |  | high density T1/E1 framer with integrated m13 multiplexer | 
    |   | PM4332 | PMC-Sierra, Inc |  |  | high density 32 channel T1/E1/J1 framer | 
    |   | PM4332-PI | PMC-Sierra, Inc |  |  | high density 32 channel T1/E1/J1 framer | 
    |   | PM4341A-QI | PMC-Sierra, Inc |  |  | T1 framer/transceiver | 
    |   | PM4341A-RI | PMC-Sierra, Inc |  |  | T1 framer/transceiver | 
    |   | PM4344 | PMC-Sierra, Inc |  |  | quad T1 framer | 
    |   | PM6341-QI | PMC-Sierra, Inc |  |  | E1 framer/transceiver | 
    |   | PM6341-RI | PMC-Sierra, Inc |  |  | E1 framer/transceiver | 
    |   | PM6344 | PMC-Sierra, Inc |  |  | quadruple E1 framer | 
    |   | PM6344-RI | PMC-Sierra, Inc |  |  | quadruple E1 framer | 
    |   | PM6388 | PMC-Sierra, Inc |  |  | octal E1 framer | 
    |   | PM6388-RI | PMC-Sierra, Inc |  |  | octal E1 framer | 
    |   | PEB1760 | Infineon Technologies |  |  | mapper/framer for stm-4/sts-12 and stm-1/sts-3 | 
    |   | PEB1761 | Infineon Technologies |  |  | metro mapper ⑩ 2 .5 G multi-service framer for sts-48 / stm- 16 , sts - 12 / ST M-4 |