Instruction manual

HARDWARE DESCRIPTION
Trunk Port Circuit Packs
● TN753 DID Trunk
Provides eight ports for immediate-start or wink-start Direct Inward Dialing (DID)
trunks.
● TN760B Tie Trunk
Provides four ports for Type 1 E&M, Type 1 E&M Compatible, or Type 5 Simplex tie
trunks. Operating protocols include automatic, immediate-start, wink-start, or delay
dial. The TN760B contains option switches for supporting the following signaling
formats:
— Type 1 E&M Standard (Unprotected)
— Type 1 E&M Compatible (Unprotected)
— Type 1 E&M Compatible (Protected)
— Type 5 Simplex
● TN763 Auxiliary Trunk
Provides four ports for on-premises auxiliary equipment (paging systems and
dictation systems).
● TN767 DS1 Interface
Provides 24 trunk ports per digital T1 carrier interface. Supported trunks include
automatic tie trunk, delay dial tie, immediate dial tie, wink start tie, ground start
central office trunk type, loop start central office trunk type, direct inward dial trunk,
and off-premises station line.
● ZTN76 Ground Start Trunk
Provides eight ports for Ground Start Central Office (CO), Foreign Exchange (FX), or
Wide Area Telephone Service (WATS) trunks.
● ZTN77 Loop Start Trunk
Provides eight ports for loop-start CO, FX, or WATS trunks.
Refer to Section 9,
“Glossary” for Ground Start and Loop Start definitions. Ground Start
trunks are recommended for use where possible.
Trunk specifications are provided in Section 5, “Technical Specifications.”
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