a employee took outvtheir frustration by cutting the CO cable to Mitel SX200 LM.

I am reversing the damage, a little blind.1st Q, lines appear to have come into slot 4 or slot 8, and I have wire codes. Have the former active lines patched.

What does the FIR ? in slot 4 control of first cabinet control.

I am bringing in new circuit lines, loop start NOT ground start. What card needs to process them, and where are the switches or pins to configure the card for loop start in the documentation?