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List of card you can use in a 624A pannel.

400-type all D,e,g,h

401-type
414a and 461a
415a
416a
419a
469a
471a/b
407b and 424
494a
417a
418a451b or 498a

List of card you can use in a 624A pannel.

400-type all D,e,g,h

401-type
414a and 461a
415a
416a
419a
469a
471a/b
407b and 424
494a
417a
418a451b or 498a

I'm done

The cards which can be used in a 642A (not 624A) panel (per BSP 518-215-419) are:

417A Add-on conference
418A Short range, DC Signaling, private line
420A Long line
421A Power failure tranfer, direct station selection, audible signal suppression
422B Station busy selector
425-type dial intercom, flashing lamp
428A Multiline exclusion
429A,B Supplementary hold detector
430A flutter generator
440A touch-tone adapter
448A variable delay timer
449A Immediate transfer control
451B Music on hold
452A Power failure ringing circuit
467A low voltage monitor
476 Dial tone, station busy tone and audible ringback tone
478B touch-tone adapter
479-type rotary dial toll restriction
498A music on hold

I have a 620A2 which I'd like to trade for a 642A

The 620A2 accepts:

400B,C,D CO/PBX line
400G CO/PBX line
400H CO/PBX line
401-type manual intercom
413A Auxiliary ringup
414A manual signaling, ringdown, private line
415A Automatic, DC signaling, ringdown, private line
416A Station line
419A Automatic Signaling, Ringdown, private line
461A Automatic signaling, ringdown, private line
467A Low Voltage Monitor
469A Lamp extender
471-type battery reversal toll restriction

I have a shoebox for you and the power supply will still be warm when it arrives. Fully carded with 400e's. I'll through in a bunch of lamps to make christmas tree lights. Just use the 18v off the power and not the 24v so they last longer.