Nortel m3900 Guida All'Installazione

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Accessory Connection Module Installation Guide
Installing the 
Accessory 
Connection 
Module 
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.
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 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. 
The M3902 supports one cartridge accessory.
Accessory 
compatibility
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 con-
necting 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 M3903, M3904, or 
M3905 at the same time. The M3902 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 M3900 Series portfolio. 
Contact your Nortel distributor for further information.