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Definity TN464F Universal DS1 / ISDN PRI Interface Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital
Channels). All versions support CO, TIE, DID and OPS (Off - Premises
Stations) port types using the robbed signal protocol, proprietary
bit-oriented signaling, (BOS) 24th channel signaling protocol, and the
DMI-BOS 24th channel signaling protocol. All versions also support
ISDN-PRI connectivity. TN464E and later provide test jack access to
the DS1 or E1 line and support the 120A Integrated CSU. TN464F and
later suffix is required to communicate with Conversant.
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