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Accessory Connection Module Installation Guide This document describes how to install the Accessory Connection Module (ACM) (NTMN71xx). The ACM is an optional hardware module that you install into the telephone footstand. The ACM provides a port, or ports, to connect the accessory cartridge interface.
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ACM. There are two ports at the back of the telephone footstand on the M3903, M3904, and M3905. Each port can sup- port one cartridge accessory. The M3903, M3904, and M3905 can use a maximum of two cartridge accessories.
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Accessory Connection Module Installation Guide Figure 2: Accessory cartridge Latch RS232C Table 1: Accessory compatibility Analog Terminal Adapter (ATA) Computer Telephony Integration Adapter (CTIA) Personal Directoty PC Utility Full Duplex Handsfree (FDHF) Meridian External Alerter and Recording Interface (MEARI) Key-Based Accessory (KBA) Display-Based Accessory (DBA) Note 1.
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2. Plug the wall transformer into an electrical outlet. 3. Connect the adapter plug, attached to your transformer, into the wall jack. 4. Connect the six-conductor line cord from the telephone to the adapter jack attached Figure 3: Adapter and wall transformer connections for North America...
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Accessory Connection Module Installation Guide Figure 4: EMEA transformer Plug Jack Adapter N0023532 553-9042 Wall transformer (110 V or 220 V) Page 5 of 5 Standard 2.00...
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