
DART 200 CDPD Modem User’s Guide | 1 Introduction |
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NOTE:
The EID is found on the label on the bottom of your DART 200.
Contacting your cellular carrier
There are currently two cellular carriers in each market area: the A side carrier and the B side carrier. Each carrier can potentially install and enable CDPD on their cellular network. The CDPD network allows
Contact your cellular provider to get an IP Address for your modem. This IP address lets you operate the modem on the CDPD network. Although the modem can perform some basic functions without an IP Address, it cannot register, ping, or run
Ask your carrier for the following information:
∙Side of their operation (A or B)
∙IP Address
∙IP Address of a router or server to ping when you are testing
CDPD network overview
The CDPD system is an extensive communications system overlaying the existing cellular voice network, as shown in Figure
Figure 1-2. CDPD network
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MAS/ | MDBS | MDIS | Host |
CDPD |
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| System |
Modem |
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| Public or Private |
| Cellular Tower |
| Packet Data Networks |
The communication flow sequence includes:
1.Data packets transmitted from the Mobile End Station
2.Data packets are passed by the MDBS to the controlling Mobile Data Intermediate System (MDIS)