| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PEB22504HT-V11 | Intel | Four-Channel E1/T1/J1 Line Interface Unit |
 | DS2148T+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 44-Pin TQFP |
 | PEB22504HT-V11XP | Intel | Four-Channel E1/T1/J1 Line Interface Unit |
 | PEB22504HT | Intel | Quad Line Interface Unit |
 | PEB22504 | Intel | Quad Line Interface Unit |
 | DS3251N+ | Maxim | Line Interface Unit 44.736Mbps DS3/E3/STS-1 Parallel/Serial 144-Pin TE-CSBGA |
 | 78P2351-IGT/F | Maxim | Line Interface Unit 155.52Mbps E4 Parallel/Serial 100-Pin LQFP |
 | DS21Q48A3N | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 144-Pin CSBGA |
 | DS21Q48 | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 144-Pin CSBGA |
 | DS2149Q+ | Maxim | Line Interface Unit 1.544Mbps J1/T1 Short/Long Serial 28-Pin PLCC |
 | DS26514GN+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 256-Pin TE-CSBGA |
 | DS21448LN+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 128-Pin LQFP |
 | DS26303LN-75+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short Parallel/Serial 144-Pin LQFP EP |
 | DS2148G+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 49-Pin CSBGA |
 | DS21Q352N | Maxim | Line Interface Unit T1/J1 Short/Long Serial 256-Pin BGA |
 | DS21Q554N | Maxim | Line Interface Unit E1 Short/Long Serial 256-Pin BGA |
 | DS21349Q+ | Maxim | Line Interface Unit 1.544Mbps J1/T1 Short/Long Serial 28-Pin PLCC |
 | DS2149QN | Maxim | Line Interface Unit 1.544Mbps J1/T1 Short/Long Serial 28-Pin PLCC |
| DS21Q348 | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 144-Pin CSBGA | |
 | DS21348GN+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 49-Pin CSBGA |