Specifications

Page 1–14
FOCUS System Manual
1.24.7 Four-Wire Module (V4W)
Table 1–9. Four-Wire Module (V4W) Specifications
Interface Two 4-wire voice channels
Signaling E&M each channel, types I, IV, V (IV, & V with MVI only)
Frequency Response 300Hz to 3.6 kHz ±2dB (reference 1 kHz)
Input Impedance 600Ω ±10%
Input Base Level 0dBm or -16dB
Output Base Level 0dB or 7dB
Output Offset 0dB to -7dB in 1dB steps
Input Offset 0dB to 7dB in 1dB steps
Indicators E&M signal per channel
Status LED
Max. Input Level 0dBm
Max. Output Level +7dBm
Terminations Compression type terminal block 20–14 AWG