Specifications
Data Interfaces: V.11 (RS-449, V.35/306, x.21, V.24 (RS-232), G.703 64 kb/s Codirectional
E1 Output Connectors: 120 Ohm Balanced, 75 Ohm Unbalanced
2M Channel Access: 64 kb/s, 56 kb/s, 16 kb/s
Frequency Measurement Range: 56 kHz to 2.048 MHz
Tone: Variable 300 Hz to 3000 Hz and +3 dB to -20 dB