Page 600 of 894 NT8D14 Universal Trunk card
553-3001-211 Standard 2.00 September 2004
The class-of-service determines the operation of the switchable PADs
contained in each unit. They are assigned as follows:
• Transmission Compensated
— used for a two-wire non-VNL trunk facility with a loss of greater
than 2 dB for which impedance compensation is provided
— or used for a four-wire non-VNL facility
• Non-Transmission Compensated
— used for a two-wire non-VNL trunk facility with a loss of less than
2 dB
— or used when impedance compensation is not provided