Module Components

The MERLIN Messaging System module resides in a slot in the communications system carrier. One common module supports a 2-port, 4-port, 6-port, 8-port, 10-port, or 12-port configuration. (In Release 1 or 1.1, the module supports a 2-port, 4-port, or 6-port configuration.)

Component

Description

Module

  • LEDs

  • RS-232 Serial Port

  • Local Area Network
    (LAN ) connection

  • PCMCIA Slots


  • Touch-Tone Receivers (TTRs)
  • One LED indicates system status and one LED for each port indicates port status.
  • Used to directly connect a PC or laptop to the system.
  • Used to connect the system to a LAN (Release 2 or later).

  • Used to house the 2-port, 4-port, 6-port, 8-port, 10-port, or 12-port PC card. Only the left-most slot should be used.
  • Two TTRs serve as communications system resources (an internal component of the module).

PC Card

2-port, 4-port, 6-port, 8-port, 10-port, or 12-port PC Card

The PC Cards provide:

  • Remote Maintenance Device (RMD).
  • Media for performing system backup.
  • Port licensing required for the 2-port, 4-port, 6-port, 8-port, 10-port, or 12-port configuration.