| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS21348TN+ | Maxim | LIU 2.048Mbps E1/J1/T1 Serial/Parallel 44-Pin TQFP |
 | DS21448L+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 128-Pin LQFP |
 | DS21348T+ | Maxim | LIU 2.048Mbps E1/J1/T1 Serial/Parallel 44-Pin TQFP |
 | DS21354L+ | Maxim | Line Interface Unit 8.192Mbps E1 Short/Long Parallel 100-Pin LQFP |
 | DS21354LN+ | Maxim | Line Interface Unit 8.192Mbps E1 Short/Long Parallel 100-Pin LQFP |
 | DS21Q50L+ | Maxim | Line Interface Unit 0.064Mbps E1 Short/Long Parallel/Serial 100-Pin LQFP |
 | DS21Q59L+ | Maxim | Line Interface Unit 0.064Mbps E1 Short/Long Parallel/Serial 100-Pin LQFP |
 | DS21354L | Maxim | Line Interface Unit 8.192Mbps E1 Short/Long Parallel 100-Pin LQFP |
| DS21354LC1+ | Maxim | Line Interface Unit 8.192Mbps E1 Short/Long Parallel 100-Pin LQFP | |
 | DS21348TN | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 44-Pin TQFP |
 | DS2148TN+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 44-Pin TQFP |
 | DS2187S | Maxim | Line Interface Unit 2.048Mbps CEPT/T1 20-Pin SOIC W |
 | DS3251+ | Maxim | Line Interface Unit 44.736Mbps DS3/E3/STS-1 Parallel/Serial 144-Pin TE-CSBGA |
 | DS2187+ | Maxim | Line Interface Unit 2.048Mbps CEPT/T1 18-Pin PDIP N |
 | DS2187 | Maxim | Line Interface Unit 2.048Mbps CEPT/T1 18-Pin PDIP N |
 | DS21Q59LN+ | Maxim | Line Interface Unit 0.064Mbps E1 Short/Long Parallel/Serial 100-Pin LQFP |
 | DS2187S+ | Maxim | Line Interface Unit 2.048Mbps CEPT/T1 20-Pin SOIC W |
 | CS61584A-IQ3Z | Cirrus Logic | DUAL T1/E1 LINE INTERFACE |
 | CS61574A-IL1Z | Cirrus Logic | Line Interface Unit 2.048Mbps E1/T1 Serial 28-Pin PLCC |
 | DS21348G+ | Maxim | Line Interface Unit 2.048Mbps E1/J1/T1 Short/Long Parallel/Serial 49-Pin CSBGA |