The Adtran OPTI-MX module provides a DS3 or EC1 tributary payload from the OPTI-MX system. The signal is made available through one of the in and out BNC pairs on the OPTI-MX chassis.
Adtran 1184514G1 Data Networking Overview
The OPTI-6100 SMX chassis is a 19-inch or 23-inch rack-mountable platform for OC-3/12/48 SONET STM-1/4 SDH Optical Multiplexers. The chassis provides two high-speed (HS) slots for terminating fiber circuits of up to OC-48 rate, four mid-speed (MS) slots for tributary modules that can deliver DS1/E1, DS3/E3/EC1, OC-3/12, STM-1, or 10/100/1000 Ethernet services, and one System Controller Module (SCM) slot.