Total Access 3000/3010 Expansion Switch Module (ESM)

Part Number:

  • Common module that expands the switching capabilities of the Primary Switch Module over five additional expansion shelves

Features and Benefits
  • Expands the switching capabilities of the PSM over five additional shelves (for a total of six shelves)
  • Provides a separate status indicator for the upstream link (LINK A), and the downstream link (LINK B)
  • Provides an interface to the access modules on the expansion shelf through the ECU
  • Has software that is field-upgradable, using YModem or TFTP applications (does not affect service if the unit is equipped for APS)
  • Provides alarm status to NMA, the SNMP, or both