NT5B35 Norstar 4 CO Copper Trunk Cartridge Non-DS - Refurbished Learn More

This is the standard trunk card for the M824 control unit line expansion. It is housed in an M12X0 copper trunk module and allows for the addition of up 4 trunks lines. Learn More

This is the caller ID card for the MICS control unit and/or the M12X0 fiber trunk module used to expand the line capability of the MICS. You must have these cards in order to receive caller ID from your dial tone provider. This card can also be modified to work with the M824 Norstar control unit. Learn More

This card allows for the direct connection of a T1 digital trunk line. This will allow the connection of up 24 lines on one connection. You must have either a T1 clock card or the 6 port fiber combo card, which has T1 clocking built into an expansion card. Learn More

This is the standard fiber trunk card for the MICS 0X32 control unit. It is capable of up to 4 lines per card. The main control unit will support 2 trunk cards but must have the M12X0 to expand beyond 8, unless T1 is used. Learn More

This card is used in conjunction with the NT7B74 T1 digital trunk card. It is required in order to time the channels on T1. You may also use the 6 port fiber combo card to get the clocking feature and expansion ports. Learn More

This expansion card was designed for the MICS 0X32 Control Unit to add expansion modules. There are two ports which can be used to add either the M12X0 fiber trunk module or the M0X16 fiber station module. If 2 ports is not enough expansion, check out the 6 port fiber expansion card or the 6 port fiber combo. Learn More

New 8 Station Expansion Cartridge for the Nortel CICS KSU. This cartridge will add 8 stations (extensions) to Nortel phone systems.

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This expansion card was designed for the M824 Control Unit to add expansion modules to Nortel phone systems. There are two ports which can be used to add either the M12X0 copper trunk module or the M0X16 copper station module. If 2 ports is not enough expansion, check out the 6 port copper expansion

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