Appendix B: 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 interface, 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 pro-

 

vided by Quintum).

B-2

P/N 480-0005-00-15