The Norstar 2 Port Copper expansion card is designed for the Norstar 824 KSU to add expansion modules. Connects to the Norstar KSU. Will support up to 2 expansion modules which can be used...
The Norstar 6 Port Copper expansion card is designed for the Norstar 824 KSU to add expansion modules. Connects to the Norstar KSU. Will support up to 6 expansion modules which can be used to add...