ATIS T1.315 : 2001

1 SCOPE AND PURPOSE
  1.1 SCOPE
  1.2 PURPOSE
2 NORMATIVE REFERENCES
3 DEFINITIONS
4 GENERAL INFORMATION
  4.1 POWER PLANT AND TELECOMMUNICATIONS LOAD EQUIPMENT
  4.2 APPLICATIONS OF TELECOMMUNICATIONS EQUIPMENT
5 TELECOMMUNICATIONS LOAD EQUIPMENT PERFORMANCE REQUIREMENTS
  5.1 STEADY-STATE INPUT DC VOLTAGE REQUIREMENTS
      5.1.1 DISTRIBUTION VOLTAGE DROPS
  5.2 UNDERVOLTAGE REQUIREMENTS
  5.3 OVERVOLTAGE TRANSIENT REQUIREMENTS
  5.4 PROTECTIVE DEVICE OPERATION TRANSIENT
  5.5 ELECTRICAL NOISE REQUIREMENTS
      5.5.1 NOISE IMMUNITY
      5.5.2 NOISE RETURNED BY THE TELECOMMUNICATIONS
            LOAD EQUIPMENT
            5.5.2.1 VOICE FREQUENCY NOISE REQUIREMENTS
            5.5.2.2 WIDEBAND FREQUENCY NOISE REQUIREMENTS
6 OTHER REQUIREMENTS
  6.1 BASIS FOR MTBF CALCULATION
  6.2 PERSONNEL HAZARDS
  6.3 MARKING
A TELECOMMUNICATIONS LOAD EQUIPMENT VOLTAGE
B BIBLIOGRAPHY
C COMPLIANCE TESTING
  C.1 TEST METHOD USING THE SINGLE TRANSIENT IN FIGURE 1
  C.2 TEST METHOD USING THE SEPARATE TRANSIENTS IN FIGURES 2
      THROUGH 4
      C.2.1 IMPULSE TRANSIENT, WAVEFORM FIGURE 2, TEST
            CIRCUIT FIGURE C2
      C.2.2 OVERVOLTAGE TRANSIENT, WAVEFORM FIGURE 3 AND
            TEST CIRCUIT FIGURE C3
      C.2.3 UNDERVOLTAGE TRANSIENT, WAVEFORM FIGURE 4 AND
            TEST CIRCUIT FIGURE C4

Defines voltage ranges for telecommunications load equipment operating from centralized dc power systems.