Booth Unit BU-52A For PT40/60/70/42

Attachment to PT-40, PT-42, PT-60 and PT-70 to add an

• 16 character LED display.
• Works on polarity reversal / 16 KHz metering pulse.
• Station name display on BU-52.
• Phone billing machine display and printer is shared.
• Separate call receipt for both lines.
• Separate summary and detailed reports for both lines.
• Separate barring of Local / National / International calls.
• Also works on non reversal line.