User's Manual

Table Of Contents
Specifications
3-3
BreezeACCESS 4.0 System Manual
Data Communication
Voice/Fax (Subscriber Units with
voice support)
Telephony (Subscriber Units with
voice support)
Standard Compliance IEEE 802.3 CSMA/CD
VLAN support Based on IEEE 802.1Q
Layer-2 Traffic Prioritization Based on IEEE 802.1p
Layer-3 Traffic Prioritization ToS according to RFC791
MIR (Maximum Information Rate)
and CIR (Committed Information
Rate)
Programmable for each user, separately for uplink and
downlink. Range: 0 – 2200 Kbps, 1 Kbps resolution.
Standard Compliance ITU-T H.323 Ver. 2 VoIP standard
Compression G.711 (A-Law and µ-Law) - 64 Kbps (transparent)
G.723.1 - 6.3 Kbps
G.729 - 8 Kbps (G.729, G.729 with Annex A and/or Annex B)
Silence Compression G.723.1 - Voice Activity Detection (VAD), G.729 - Annex B
Echo Cancellation ITU-T G.168 and G.131
Fax Transmission According to T.38 Protocol
Call Progress Tones Selectable per country standard or user definable
Line Type Loop Start
On-hook Voltage -48 V
Ringer Voltage Min. 50 V r.m.s. unbalanced
Ringer Frequency Selectable: 17, 20, 25, 50 Hz
REN Max. 2
Off-hook DC current 30mA
Off-hook impedance 600 ohm or complex
Maximum input level +3 dBm
Cable length Max. 300 m, 26 AWG