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.
3902 has one accessory port. The 3903, 3904, and 3905 have two accessory ports.
The
Note: The
3901 does not support the ACM.
The plug-in cartridge allows the
3900 Series Digital Telephones to use the following accessories:
• Meridian External Alerter and Recording Interface (MEARI)
• Personal Directory PC Utility (
• Full Duplex Handsfree (FDHF) cartridge (
3904 and 3905)
3904 Phase III only)
•Analog Terminal Adapter (ATA)
• Computer Telephony Integration Adapter (CTIA)
Note: The Meridian SL-100 does not support the CTIA.
Figure 1: Accessory Connection Module (ACM)
Footstand
ACM ribbon cable
ACM
Rectangular
opening for
ACM Installation
Telephone and footstand
553-8967
N0023532 Page 1 of 5 Standard 2.00
Accessory Connection Module Installation Guide
Installing the
Accessory
Connection
Module
You can access the ACM connector ports through a cutout on the base of the footstand. When you are ready to attach
an accessory, insert your selected accessory cartridge into the ACM.
There are two ports at the back of the telephone footstand on the
port one cartridge accessory. The
The
3902 supports one cartridge accessory.
Accessory
compatibility
1. Press the release latch on the back of the telephone.
2. Pull the footstand away from the back of the telephone.
3. Disconnect the line cord from the base of the telephone.
4. Move the telephone down 7 mm (1/4 inch), then use the hinges to swing the telephone
footstand away from the base of the telephone.
5. Snap the ACM into the rectangular opening in the telephone footstand. Ensure that it is
snapped in securely.
6. Plug the ACM cable connector into the back of the telephone.
7. Place the ACM attached ribbon cable into the track running down the telephone base.
8. Snap the plastic cable cover in place over the ACM ribbon cable.
9. Connect the line cord into the base of the telephone.
10. Connect the hinges to the telephone base and swing the footstand back in place.
11. Snap the footstand into a fixed position.
12. Return the telephone to its original position.
3903, 3904, and 3905. Each port can sup-
3903, 3904, and 3905 can use a maximum of two cartridge accessories.
The ACM provides up to two port connections. Some port types are not compatible. For
example, you cannot simultaneously use two data accessories that require a serial port.
The shape and size of the plug-in accessory cartridge prevents you from accidentally connecting incompatible accessories. If you are purchasing two accessory cartridges, refer to
Table 1 on page 3 to see if you can use the two accessories with the
3905 at the same time. The 3902 supports only one accessory. See Table 1 on page 3
before you purchase optional hardware accessories.
Note: Not all accessories are supported on all telephones in the
Contact your
Standard 2.00 Page 2 of 5 N0023532
Avaya distributor for further information.
3903, 3904, or
3900 Series portfolio.
Accessory Connection Module Installation Guide
Figure 2: Accessory cartridge
Latch
RS232C
Table 1: Accessory compatibility
553-9154
ATA CTIA PC Utility FDHF MEARI
Analog Terminal Adapter (ATA)
Computer Telephony Integration Adapter
N/A Yes Yes No Ye s
Yes N/A
Yes
1
N/A Yes
(CTIA)
Personal Directoty PC Utility
Full Duplex Handsfree (FDHF)
Meridian External Alerter and Recording
Yes
3
No
Yes Yes Yes
Yes
1
N/A Yes Yes
Yes Yes N/A
Yes
2
Yes
2
N/A
Interface (MEARI)
Key-Based Accessory (KBA)
Display-Based Accessory (DBA)
Yes Yes Yes Yes Yes
Yes Yes Yes YeS Yes
Note 1. If either the CTIA or the PC Utility cartridge is installed, no additional cartridge is required. The applicable
software may be purchased separately.
Note 2. FDHF works with the MEARI external alerter functionality; however, the MEARI cannot be used for recording
when FDHF is in operation.
Note 3. FDHF and ATA can be interchanged but cannot be used simultaneously.
N0023532 Page 3 of 5 Standard 2.00
Accessory Connection Module Installation Guide
Wall transformers
You need a wall transformer that connects to the ACM to use accessory cartridges.
Contact your
Avaya distributor for further information.
The ACM requires one of the following wall transformers to power the accessory cartridges:
• 110 V wall transformer (NTMN80AA)
• EU (EMEA) 230 V wall transformer (NTHC09AA)
• UK 230 V wall transformer (NTHC08AA)
To connect the wall transformer:
1. Insert the accessory cartridge into the ACM. Refer to your accessory installation
guide.
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
to the wall transformer.
Figure 3: Adapter and wall transformer connections for North America
Adapter jack
Adapter
6-conductor
line cord
from telephone
plug
To IDF
123456
Plug
553-9042
1
2
123456
Jack
Adapter
Wall
transformer
(110 V or 220 V)
Standard 2.00 Page 4 of 5 N0023532
Accessory Connection Module Installation Guide
Figure 4: EMEA transformer
123456
Plug
123456
Jack
Adapter
1
2
Wall
transformer
(110 V or 220 V)
553-9042
N0023532 Page 5 of 5 Standard 2.00
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