User's Manual

Interface Specification Document Rev. -
Cellular Radio Module CRM4250/4200
Company Confidential
Standard Communications Corp. -18- November 20, 2000
73H Command ID Information Request.
This command is used to read the current configuration and identity information
from the radio. The result will be an ID Information Response message.
Direction: Host to radio
Mode: All
ACK required: YES
Syntax: | SOF | LEN | 73H | FCS |
ACK required: YES
73H Command ID Information Response.
This message is sent in response to an ID Information Request command.
Direction: Radio to host
Syntax: | SOF | LEN | 73H | aa aa aa aa bb bb bb bb bb cc cc dd ee ff | FCS |
Where: aa .. aa = ESN (Set by Manufacture)
bb .. bb = MIN (See Command 07h)
cc cc = SID in hex format (See Command 09h)
dd = System preference
(See Command 74h System A/B Select)
ee = Reserved
ff = Reserved
ACK required: YES
74H Command System A/B select.
This command is used to set the criteria for accessing the two sides of the cellular
network.
Direction: Host to radio
Mode: All
Syntax: | SOF | LEN | 74H | aa | FCS |
Where: aa = 00H - for system B only
= 01H - for system A only
= 02H - for normal mode
(preferred system determined by SID)
= 03H - for Home only
ACK required: YES