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IC-4FXS Hardware Description
7 IC-4FXS HARDWARE DESCRIPTION
The IC-4FXS interface card is designed for the SmartNode 2000 series of devices. It meets IEEE
P1386.1 standards and provides 4 FXS (Foreign Exchange Station) ports to which analog phone sets
can be connected.
7.1 Physical
Specification
•
W / H / D: 149 / 13.5 / 74 mm
•
Weight: 100 g
•
PMC card with 32bit PCI bus
•
CPU Motorola MPC850 @ 50 MHz
•
Memory 8MB SDRAM
•
Power dissipation < 3W
•
Requires internal Line Power Module PM-48V-int (or PM-38V-int) to generate ringing and
loop voltages
7.2 Front
Panel
The front view of the ’IC-4FXS’ interface card is depicted in Figure 7-1. The individual sockets are
labeled on the bezel.
Figure 7-1: IC-4FXS Front View
7.3 Ports
The card provides the four FXS ports whose details are tabulated in Table 5-1 below. Protector
circuits protect the ports from high voltage surges. See Appendix A for pin out data.
Port
Description
0 ... 3
FXS RJ-11 socket to connect the SmartNode to an analog terminal
(subscriber). Only two wires (Ring, Tip) are used. The ‘Loop Start’ method is
used to signal whether the terminal is on- or off-hook (loop closed = on-
hook).
Table 7-1: IC-4FXS Port Description
7.4 Description
The IC-4FXS interface card provides four FXS ports, together allowing up to 4 analog voice channels
to work in parallel.
Each ports provides the following functionality:
• provide –48 VDC to the connected terminal
• provide ring voltage to the connected terminal (normally 96 VAC at 25 Hz)
• provide on hook transmission
• provide caller identification (CLIP)
• provide metering pulses
• recognize dialed digits
Hardware Installation Guide, Revision 3.11
