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
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