|   | PM8311 | PMC-Sierra, Inc |  |  | TEmux 168 high density T1/E1 framer, VT/TU mapper & m13 mux with integrated sonet/sdh framers | 
    |   | PM8310 | PMC-Sierra, Inc |  |  | TEmux 336 high density T1/E1 framer, VT/TU mapper & m13 mux with integrated sonet/sdh framers | 
    |   | PEB3456 | Infineon Technologies |  |  | channelized T3 termination with ds3 framer, m13 multiplexer, T1/ E1 framers and 256 channel hdlc/ppp controller | 
    |   | PEB3456E | Infineon Technologies |  |  | channelized T3 termination with ds3 framer, m13 multiplexer, T1/ E1 framers and 256 channel hdlc/ppp controller | 
    |   | DS21FT44 | Dallas Semiconductor |  |  | 4x3 twelve channel E1 framer, 4x4 sixteen channel E1 framer | 
    |   | DS21FF44 | Dallas Semiconductor |  |  | 4x3 twelve channel E1 framer, 4x4 sixteen channel E1 framer | 
    |   | DS3141N | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3142 | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3143 | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3143N | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3144 | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3144N | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | DS3141 | Dallas Semiconductor |  |  | single/dual/triple/quad ds3/E3 framers | 
    |   | CX28394 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28394-22 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28395 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28395-18 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28395-19 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28398 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers | 
    |   | CX28398-22 | Conexant Systems, Inc |  |  | quad/x16/octal?T1/E1/J1 framers |