Compare Adtran (1180402L1) Voice Interface Card to Adtran T1 CSU ACE DSU / CSU (1200022L2)

The ADTRAN Total Access Ear and Mouth /Transmit Only Dataport (E&M/TO) is an access module that plugs into a single channel slot of a Total Access 1500 platform. It provides an interface between a platform PCM interface and a Voice Frequency (Voice Frequency) transmission facility with E&M DC signaling supervision. The unit is multifunctional and can be provisioned to operate in two-wire E&M, four-wire E&M, two-wire TO, and four-wire TO. The primary applications for the E&M/TO channel unit are for providing PBX foreign exchange at the customer premises, or tandem central office applications. The channel unit is intended only for interface with intro-building wiring, and it is not equipped with outside plane metallic interface lightning and power cross protection. The E&M/TO card can also be deployed in a Total Access 750 or Total Access 850. ??The E&M/TO features a four-wire 600W or two-wire 600W + 2.15 mf VF interface with DC isolation. Provisioning is accomplished through on boar... Less

The ADTRAN T1 CSU ACE is a compact, full-featured T1 channel service unit used to connect T1 data terminal equipment (DTE) and T1 facilities. The unit is designed to provide alarms, loopbacks, signal regeneration, line build out, and surge protection, as well as maintain 1s density for the DTE and T1 network.??The compact T1 CSU ACE is suitable for wallmounting or desktop use. Four LEDs on the front of the unit (POWER, LOOPBACK, EQUIPMENT LOS and NETWORK LOS) display the status of the unit. Above the LEDs, five small switches provide settings for customer premises equipment and network line build-out (LBO) distances. A small switch located on the unit's faceplate enables manual loopback operation. The three switches allotted for the equipment LBO offer five combination settings for PBX termination at distances up to 655 feet. The two network LBO switches provide four combination settings from 0 to 22.5 dBs in 7.5 increments. The compact T1 CSU ACE provides three bantam jacks which ... Less