Dollar General Store Shared Hub Rollout Skystar Advantage VSAT ...

1. Introduction
Dollar General is tasking Spacenet to provide data communication services to its retail
stores in the United States. Spacenet’s VSAT network provides store connectivity for:
� Xcellenet polling
� Check authorization
� On-line inventory management.
� Calling Card Activation
The VSAT service includes MSK modulation on the inbound side and Reed Solomon
coding on the outbound side. The outbound data rate is 1 Mbps, QPSK, requiring a
phase–locked loop (PLL) low noise block converter (LNB). The inbound rate is 76.8
kbps. The Satellite is GE–5, Transponder 2, Horizontal Polarity.
1.1 Interface Type
Ethernet ports will be available on both the IDU and customer’s equipment, most likely
an Ethernet Hub connected to a Server Register. Use a RJ–45 straight thru cable to
connect from the IDU to the Ethernet Hub.
1.2 Satellite Equipment
The VSAT equipment consists of:
� One indoor unit (IDU) with one Ethernet port and two RS–232 serial ports
� One F-type bullet connector
� One IDU-to-IFL cable assembly with RG6 connectors
� Heat shrink tubing (4 foot length)
� One 1 watt outdoor unit (ODU) with a PLL LNB
� One 1.2 meter antenna, including one of the following standard mounts:
� Non–penetrating roof mount
� Close–in wall mount
� Medium–reach wall mount
� No hole pole mount
� Ridge Mast Mount (Non–Standard)
� Roof Build Up (Non–Standard)
� IFL cable; non–plenum RG11 (two lengths of up to 150 feet each)
� Four crimp-on female connectors.
� Orange 3’ RJ–45 Cable (Customer Supplied)
� Ethernet Hub (8 Port) for Specific Sites (Customer Supplied)
The customer is providing 10baseT Ethernet cable to connect the IDU to the
PC/Ethernet hub. Spacenet will distribute to installation teams.
Dollar General Skystar Advantage VSAT Installation Guide Page 1