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Definity TN760B Tie Trunk (TN760B) Provides 4-ports for Type 1 or Type 5 four-wire E&M lead
signaling tie trunks that can be automatic, immediate-start,
wink-start, and delay-dial. Each port has T, R, T1, R1, E, and M
signal leads. Provides release link trunks required for the CAS
feature. Option switches on each port can select connections to Type 1
E&M standard unprotected format, Type 1 E&M compatible
unprotected format, Type 1 E&M compatible protected format and Type
5 simplex format.
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