| Manufacturer | Part Number | Description |
|---|---|---|
Exar (now MaxLinear)
| XRT75R12D | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
Exar (now MaxLinear)
| XRT75R12 | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
MaxLinear
| XRT75R12 | Twelve Channel Line Interface |