Excessive RENs on a telephone line may result in the devices not ringing in response to an incoming call. In
most but not all areas, the sum of RENs should not exceed five (5.0). To be certain of the number of
devices that may be connected to a line, as determined by the total RENs, contact the local telephone
company. The REN for this product is part of the product identifier that has the format US: AAAEQ##TXXXX.
The digits represented by ## are the REN without a decimal point. For this product, the FCC Registration
number [US: DQ1DL01BM505NR3] indicates the REN would be. 0.1.
VisionNet M504 / M505N R3 Page 59 of 62 User Manual Rev 0.1c