InterChangeVS™ 2000 V.34 North America
Hardware Installation Card
Product Overview
The InterChangeVS 2000 is an analog multimodem
virtual server that can be stacked or mounted in a rack.
This VS2000 contains eight 33.6K bps modem ports.
VS2000 features include:
• Eight RJ11 modem ports ready to connect to your
phone lines
• Diagnostic LEDs
VS-Link software provides the following features, which
are discussed in the VS2000 VS-Link Installation and
Configuration Guide:
• Backup server
• “Hot-swapping”
• Individual modem reset capability
• Terminal program (WCOM32)
• Port Monitor program (PORTMON)
See the VS2000 VS-Link
Configuration Guide for information about installing
the software for this product and for reference
information for the AT command set.
™ Installation and
Installing VS2000 Hardware
Use the following procedure to connect the VS2000.
1. Record the model and serial numbers of the VS2000.
Serial Number* VS2000 Network Address*
00 C0 4E
* Identification tags are located on the back panel. You can
write this information on the blank sticker shipped with the
VS2000.
2. Optionally, mount the VS2000 into the rack using
the enclosed mounting brackets. The unit is
designed to install in the rack with the front or back
of the unit facing the front of the rack.
Warning: If mounting the VS2000 into a rack mount
3. Connect the cable from the appropriate Ethernet
connection (10Base-T or AUI) on the VS2000 to your
server or Ethernet hub.
Note: If connecting the VS2000 directly to the server, an
unit, make sure the rack is not top heavy.
Ethernet crossover cable is required.
Server Running
VS-Link
Note:
4. Connect the power cord.
5. Go to the Power-On Diagnostics discussion.
Ethernet Connection
to Server or
Ethernet Hub
Power-On Diagnostics
When you switch a VS2000 on, it performs a selfdiagnostic. The results are displayed via the LED lights
on the back panel. If the unit is working correctly, the
following events should take place:
1. Turn the power switch to the On position.
2. All LEDs should light up briefly, to show that they
are working.
3. Both 10Base-T lights should remain lit after the
port LEDs go out, while the unit establishes the
Ethernet connection and polarity.
4. If using 10Base-T cabling, the lower LED remains
lit to indicate that the Ethernet connection is
established and polarity is correct.
5. The Port 2 LED begins flashing, to indicate that the
VS2000 is waiting for the server to initiate VS-Link
communications.
Note: The following steps only occur after you have
installed the VS-Link software. Use the VS2000
VS-Link Installation and Configuration Guide for
software installation information.
After installing the software, turn off the VS2000
and verify the full diagnostics sequence.
6. The upper 10Base-T LED flashes briefly, as the
server acquires control of the VS2000.
7. The port LEDs begin flashing in a “sweeping”
sequence, to indicate that the unit is operating
normally.
Note: See the following tables if you are not seeing the
LED sweeping sequence activity.
LED Light 10Base-T LED Description
Upper
Upper
Lower
Lower
During the power on cycle (first few
Flashes
Briefly
seconds after the power is turned on),
this LED flashes briefly to display link
polarity on the 10Base-T connection.
Flashing
The light flashes briefly during
transmissions as a general indicator of
activity.
On
Off
VS2000 is correctly attached to the
LAN by the RJ45 10Base-T connector.
VS2000 is not connected to the LAN
properly or it is connected to the AUI
port.
Ethernet Crossover Cable
If you are connecting from the VS2000 10Base-T
connector directly to the NIC card in the server, you
need a crossover cable, wired as follows:
Table 1. Ethernet Crossover Cable
Pin Connects to Pin
1 3
2 6
3 1
6 2
Pin 1
Pin 8
Receptacle
Note: If using an AUI connection to the server, you can
determine proper polarity by using an AUI to
10Base-T converter box.
Indicator Ports 1 through 8 LED Description
Flash
Briefly
All LEDs light briefly during the power-on
sequence and then turn off.
1 LED Lit* RAM self-test failure or mainboard error.
2 LEDs Lit* Ethernet hardware initialization failure.
3 LEDs Lit* A hardware self-test failure.
4 LEDs Lit* A flash memory configuration error.
All LEDs on for about 0.5 seconds then
All
Flashing/
Individual
Flashing
one or more individual port LEDs on for
about 0.5 seconds indicates that the
individual port or ports, whose LED is
flashing, encountered a problem during
port/modem initialization.
* The LEDs light up for a about a minute and then the
hardware resets and the same cycle repeats.
Modem Cables
The VS2000 modem ports use standard telephone-type
unshielded twisted-pair cables with RJ11 modular
connectors. These cables can be purchased anywhere
commercial or consumer telephone products are sold.
If you choose to build your own cables, use the following
information:
Pin 1 Pin 4
The connector pinouts are as shown below:
Pins RJ11 Connector Signals
1
2
3
4
Not used
Ring
Tip
Not used
Pin 1
Remote Connector
The DB9 port labeled “Remote” is reserved for Comtrol
Corporation repair and maintenance use. No useraccessible signals are present on this port.
Operating Conditions
This table illustrates VS2000 operating conditions:
Environmental Condition Value
Air temperature:
System on
System off
0 to 40
-20 to 85
o
C
o
C
Altitude 0 to 10,000 feet
Humidity (non-condensing):
System on
System off
8% to 80%
20% to 80%
Electromagnetic Compliance
This table lists electromagnetic compliance
certifications:
Electromagnetic Compliance Status
Canadian EMC requirements Yes
FCC Class A certification Yes
FCC Part 68 certification Yes
Ringer Equivalency Number 0.8B
UL Listed Yes
Surge protection
ESD surge protection
exceeding 20 KV
When building cables, use Category 3 (or better)
unshielded wiring.
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