Capcode Calculation

LRS uses a combination of system ID and pager ID to identify pagers. The system ID is normally the same for every pager in the system. The pager ID identifies a particular pager, or address, within a system.

Since POCSAG uses a single address field (the capcode) to identify pagers and addresses, the LRS system ID and pager ID combination must be mapped to a capcode.

Given the following variables:

• C - POCSAG capcode
• Ps - LRS system ID
• Pn - LRS pager ID

The capcode calculation is as follows:

System IDs 0 through 13	C = 100000Ps + 8Pn + 700000
System IDs 14 through 200	C = 100000 x ((Ps - 14)/9) + 10000((Ps − 14) mod 9)+ 8Pn + 10000