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