A-2
P/N 480-0049-00-13
Appendix A: Specifications/Approvals
Voice/Fax
Call Routing:
Line Side Interface/Trunk Side Interface
Coding: A-law,
u-law
Voice Algorithms:
G.723, G.723.1A (5.3, 6.3 Kbps), G.726 (16, 24, 32, 40 Kbps), G.729, G.711
Fax Support:
Group III at 2.4, 4.8, 7.2, 9.6, 12, 14.4 Kbps
Automatic Call Detection:
Voice/Modem/Fax
Line Side (PBX) / Trunk Side (PSTN) Connections
Interface:
T1/E1 and Fractional T1/E1 with a built in CSU.
T1/E1 Signaling:
Channel Associated Signaling (CAS)
Common Channel Signaling (CCS)
Impedance:
E1 - 120 Ohms balanced
T1 - 100 Ohms balanced
Jack:
RJ48C (Cable to trunk side interference, RJ-45 straight through twisted pair. A
green cable provided by Quintum).
RJ48C (Cable to line side interface, RJ-45 crossover twisted pair. A red cable
provided by Quintum).