Your soucrce for CSU-DSU Adtran devices.
| Manufacturer Part Number | Description | |
| 1202.025L1 | 1202.025L1 - Modular T1 ESF CSU With SF to |  |
| 1200.029L2 | Adtran 128 Kbps ISDN Service | |
| 1200.062L1 | Adtran DSU 56/64 Unit | |
| 1200.037L2 | Adtran DSUII with Dial Up Backup | |
| 1200.086L1 | Adtran ISU512U, 512Kbps ISDN Inverse | |
| 1200.025L1 | Adtran T1 ESF CSU ACE | |
| 1200.169L1 | Adtran T1 TSU/ESP V.35 CSU/DSU | |
| 1200.193L1 | FSU V.35 Male Adapter Cable | |
| 1200.060L2 | Single V.35 CSU/DSU T1/FT Unit | |
| 1200.051L1 | Standalone ISU 2 X 64 U-Interference | |