Add a TN2224 station card to a Definity

[MikeinTx]

I need to add a TN2224 (24 port digital station card to a very old Definity. Definity was installed in the early to mid 1990s.

Do I need to power down the system before installing the card or can I just "plug it in"?

Thanks

 

[joe2938]

plug it in plug it in no need to power down

 

[MikeinTx]

Thanks for the response Joe2938