Appendix D - Nmea I/O Agent; Specifications - CalAmp Vanguard 3000 VG3000-PXS-F User Manual

APPENDIX D — NMEA I/O AGENT
As described in section 3.10 I/O Settings of this User Manual, the Vanguard 3000 router supports the following I/Os:

Vanguard 3000 Input Status: Ignition Sense, Main Voltage Indication and Modem Temperature.

Two general-purpose external analog input lines.

Two general-purpose external digital input/output lines.
The Vanguard 3000 I/O agent subsystem is configured via the Vanguard 3000 Web interface. Status monitoring is
provided via an NMEA-based protocol. The Vanguard 3000 I/O subsystem operates according to a manager/agent
model. The manager sends requests to the Vanguard 3000 I/O agent, which performs the required actions. The
Vanguard 3000 agent reports alarms and indications to the manager.
6.5

SPECIFICATIONS

Communication Model
The Vanguard 3000 I/O subsystem operates according to a manager/agent model.
→ The manager sends requests to the Vanguard 3000 I/O agent, which performs the required actions.
← The Vanguard 3000 agent also reports asynchronous events (alarms and indications) to the manager.
PDU Transport
TCP/IP: Exchanges between the manager applications and the Vanguard 3000 support TCP/IP.
UDP/IP: Exchanges between the manager applications and the Vanguard 3000 support UDP/IP.
The Vanguard 3000 I/O agent uses and arbitrary IP port (default: 6263), configured via the Vanguard 3000 Web
interface.
The manager is able to send I/O requests and ACKs to the Vanguard 3000 via:
(a) TCP (connection is initiated by the Vanguard 3000).
(b) UDP (carrier-assigned WAN-side IP address, or LAN address).
Vanguard 3000 Multicarrier Cellular Data Modem & IP Router PN 134732-VG3000 Rev. D| Page 106