I have a Sage 930a Communications Test Set for sale. A combination test instrument designed to meet all of the applications associated with testing Network Switching and DS1 Facilities. The standard 930A is a high performance Signaling, TIMS and Return Loss Measuring Set with a built-in DP, MF and DTMF sender. More information can be found at
formatting link
Standard Features Include:
2- and 4-Wire Access Loop & Ground Start Reverse Battery E&M Signaling Types I and V Level and Frequency (20 Hz to 5 kHz) C-MSG, C-Notch, 3 kHz Flat Noise Signal-to-Noise Ratio 2- and 4- Wire Return Loss DP, MF & DTMF Sender with Talk Battery DC Volt and Milli-ammeter Wink Timing Impedances 150, 600, 900 & 1200 INSTALLED OPTIONS: Option 930A-01: DP, MF, DTMF Receiver/Analyzer Option 930A-10C: RS-232C Remote Control/Printer Interface Option 930A-13: Ring Generator (REN-3 Load)Unit is in excellent condition, comes with manual and application notes, (PDF Format),is under calibration, and I will warrant for 90 days.
Best reasonable offer, and I will pay shipping. snipped-for-privacy@att.net