Avaya IP Office
IP 400 Digital Station Module
Provides Digital Station (DS) ports supporting 24xx, 44xx, 54xx and 64xx Series phones plus 3810 and 9040 phones. The IP400 Office Digital Station module is available in 2 versions; 16 or 30 extensions. Terminals can be located up to 1km from the unit using CAT5 cabling (see Handset Cable Lengths).
Note: A maximum of ten 4424D are supported on any Digital Station module. Similarly a maximum of two 4450 units are supported on any Digital Station module.