Nortel NTBB25GA-93 6-Port Fiber Combo Expansion Cartridge (Refurbished)

Nortel NTBB25GA-93 6-Port Fiber Combo Expansion Cartridge (Refurbished)This Norstar Combo Cartridge allows the addition of up to six Fiber Trunk or Fiber Station Modules. As well as the Services cartridge functions for DTI synchronization to the T1 network clock or act as a master clock source, providing the clock signal for networked systems. The Combo Cartridge also supports DTMF tone recognition for T1 circuits. One Combo Cartridge will support two DTI cartridges, but for systems with growth potential past six ports,

Can connect 24 terminals where each terminal uses 1 B-channel and shares the D-channel

By adding BCM 50 Key Codes the main unit can be expanded to meet all of your phone system needs

and provides direct access to a G3-MT

Compatible with Partner Plus or Partner II systems release 3

8 line buttons

Line queuing with callback

Used in an EPN that is supported by a Survivable Remote Processor (SRP)

Provides 2 hours of voice message storage (expandable to 4 hours)

Part# 9110-211-000

Primary protectors required

Part #: NT5B05CP-93

Part #: 0890053