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2000-A2-GB20-10 - 262 - February 2004
16/24-Port 16/24-port IADs share common voice, data, configuration, security and
environmental features and specifications. The JF2200 series has a T1
WAN interface, and the JF2300 series has an SDSL WAN interface.
SDSL JF2304
JF2308
2-Wire SDSL, shielded RJ11 connector.
Symmetrical data rates from 144 Kbps to
2.3 Mbps in increments of 8 Kbps.
Transmission range up to 25,000 feet
T1/E1 JF2208 1.544/2.048 Mbps
Shielded RJ-48 connector
Voice Ports 4 or 8-Port
Table C–11. 2/4/8-Port Network Interfaces (2 of 2)
Interface IAD Description
Table C–12. 16/24-Port Voice Features
Feature Description
Analog
Voice Ports 16 POTS ports FXS (RJ21X)
Signalling loop start | ground start
Dialing DTMF (tone)
Ring Source Internal
Impedance 600 Ohms
REN 2.5 per port
Loop Current 25 mA typical
Idle State Voltage >21V
Ring Voltage >40 vrms at 2.5 REN load
Gain/System Loss Programmable, +3dB to -9dB
Digital
Compression G.711 (64 kbps PCM), G.726 (32 kbps ADPCM)
Encoding A-law, u-law
Echo Cancellation G.168 compliant (single reflector)
Fax Support V.17, V.29 support
Modem Support V.34, V.90 support
Calling Features caller ID, flash hook, three-way calling, distinctive
ringing, stutter dialtone, call forwarding, call
waiting