S p e c i f i c a t i o n s
B-1
A
P P E N D I X
A
PPENDIX
A
S
PECIFICATIONS
ADSL (2004, 2004s, 2008, and 2008s)
Voice Features
Analog Voice
Voice Ports:
8 POTS ports (RJ11)
Failover:
Analog input fail over to Line 1 (RJ11)
Signaling:
Loop start, ground start
Dialing:
DTMF (tone), Pulse
Ring Source:
Internal
Impedance:
600
Ω
or Complex
(
country-specific)
REN:
5 REN per port, 16 REN total
Loop Current:
20, 24 mA typical (country-specific)
Idle State Voltage:
−
48 V typical
Ring Voltage:
Balanced 65 V rms
±
5% at 5 REN load
Ring Frequency:
20, 25, 50 Hz (country-specific)
Gain/System Loss:
Programmable,
+3 to
−
9 dB
Digital Voice
Compression for non “s” Units:
G.711 (64 kbps PCM), G.726 (32 kbps
ADPCM)
Compression for “s” Units (VoIP):
G.711 (64 kbps PCM), G.726 (32 kbps
ADPCM), G.729a (8 kbps CS-ACELP)
Encoding:
A-law,
µ
-law
Echo Cancellation:
G.168 compliant (single reflector)
Protocol Support:
CopperCom, ELCP (af-vmoa=0145),
Jetstream, LES (af-vmoa-0145), MGCP
and SIP (s-version only)
DID/DOD Support
Fax Support:
V.17, V.29 support
Summary of Contents for JetFusion 2008
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