The presently sold KR32A should work with your DS7000.
But many features found in the SH624 are gone.
Like Arm Home or Arm Away choice.
Local On off buttons for the module address buttons on the older remote.
KR32 Manual:
Pressing ARM on the Keyfob remote always arms in the AWAY mode. This arms
all Door/Window Sensors AND Motion Detectors, but arms them instantly.
I believe the light On Off Button on the remote.
Should control the security light address. In the DS7000.
I have tested the other way around but not later remotes on the DS7000.
As I never had one to test.
The SH624 was included with the some of the earlier SC1200 Security kits.
Some function buttons worked differently.
Depending on time switch being set to MAX or MIN.