User Manual Part 7

User Guide to Q4000/QPRO
Document Number 1135-4713 Rev G
THIS DOCUMENT CONTAINS CONFIDENTIAL AND PROPRIETARY INFORMATION OF QUAKE GLOBAL CORPORATION. IT MAY BE USED BY
RECIPIENT ONLY FOR THE PURPOSE FOR WHICH IT WAS TRANSMITTED AND WILL BE RETURNED UPON REQUEST OR WHEN NO LONGER NEEDED
BY RECIPIENT. DISCLOSURE TO UNAUTHORIZED THIRD PARTIES OR DUPLICATION WITHOUT THE EXPRESS WRITTEN PERMISSION OF QUAKE
GLOBAL IS PROHIBITED.
Page 133
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13.2.1 Sequence of events: Mobile Originated–Short Burst Data message
(MO-SBD)
1. User’s application loads the mobile-originated-SBD message into the Q4000/QPRO.
2. Application instructs the Q4000/QPRO to send the SBD message to the Iridium Gateway.
3. Iridium Gateway SBD equipment:
• receives the SBD message
• sends an acknowledgement to the modem
• creates an email message with the SBD data message as an attachment to the
email.
4. Email message is sent to the destination email server hosted by the Value Added
Reseller for processing of the data message.
13.2.2 Sequence of events: Mobile Terminated–Short Burst Data Message
(MT-SBD)
1. Email message is sent to the Iridium Gateway server by the Value Added Reseller’s host
server.
2. Iridium Gateway SBD equipment receives the message and stores it in a database.
3. Modem initiates a “Mailbox Check” and the message is downloaded to the modem.
4. Modem sends an acknowledgement to the Iridium Gateway that the mobile-terminated-
SBD message has been delivered.
5. Application extracts the mobile-terminated-SBD message from the modem and
processes the message.
13.3 Inmarsat network
IsatData Pro is an Inmarsat service provided by SkyWave. IsatData Pro services use the
Inmarsat satellite network, operating with four satellites. IsatData Pro provides bidirectional
messaging services from a gateway to mobile devices via Inmarsat satellite services. IsatData
Pro satellite service is a two-way, fully acknowledged communications protocol offering a
relatively low data rate and near-real time data transfer.
IsatData Pro messaging capabilities make it an ideal service for applications requiring remote
updates, form transfers, and text messaging combined with asset tracking. Typical applications
include vessel and fleet management, and security, remote surveillance and telematics.