Motorola d512 用户手册

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页码 45
General information
43
warranty card was included in your box, a completed 
warranty card showing the serial number of the Product; (d) 
a written description of the  problem; and, most importantly; 
(e) your address and telephone number.
Technical Information
How many telephones can I have?
All items of telephone equipment have a Ringer Equivalence 
Number (REN), which is used to calculate the number of 
items which may be connected to any one telephone line. 
Your D5 has a REN of 1. A total REN of 4 is allowed. If the 
total REN of 4 is exceeded, the telephones may not ring. 
With different telephone types, there is no guarantee of 
ringing, even when the REN is less than 4.
Any additional handsets and chargers that you register have 
a REN of 0.
Connecting to a switchboard
This product is intended for use within the United Kingdom 
for connection to the public telephone network.
Motorola_D5_TAM_IFU_EN_UK.book  Page 43  Wednesday, September 1, 2010  10:16 AM