CSU Product Family Overview
Refer to the table below to determine which CSU is best for your needs.
| Product | Models | Functionality | Customer Interface | Extended Temp. Range Available |
| Satellite 932 T1 CSU | 77932 | Basic CSU | DSX-1 | No |
| Satellite 931 T1 CSU | 77931 | Basic CSU | DSX-1 | No |
| T-SERV II T1 CSU | 77115, 77965, 77966 | Basic CSU | DSX-1 | Yes |
| T-SMART T1 Intelligent CSU | 77120, 77961, 77962 | CSU with local management access | DSX-1 | Yes |
| M-PATH T1 Intelligent CSU | 77532, 77537, 77538 | CSU with inband and local management access | DSX-1 and V.35 | Yes |
| CrossPATH IIAC Triple T1 Intelligent CSU | 77731 | CSU with inband, local management access, AC power | T1, DSX-1 and V.35 | Yes |
| CrossPATH IIe Triple T1 Intelligent CSU | 77732 | CSU with inband and local management access | T1, DSX-1, V.35 and Ethernet | Yes |