Replaces the NETCON (TN777B) and PACCON (TN778) in R8 or later si systems
Not backward compatible with earlier releases
Inserts into the NETCON slot and may require a TN2400 Net/Pkt Backplane Connection (R6si and older field upgrades when reusing the existing Control Cabinet only)
Provides LAPD connections over the TDM bus previously provided by the Processor Interface (TN765)