Loaded with features, the CZ20018 is a great contractor buttset
Contractor grade buttset - the original reliable starter for so many people
For PABX technicians, internal systems, and telephone exchanges, you can't go past the CZ20025.
Step up from the base level and add RainSafeTM, DropSafeTM, and over-voltage/current protection
The new standard for voice, data, and video telephone test sets - PABX/internal systems enhanced
The new standard for voice, data, and video test telephone test sets - TDR and SmartToneR enhanced
QuickSwitch - Access Krone, Quante, Siemens, Madison, Marconi, etc