Comtech EF Data CRS-300 - Manual (Page 173)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Modem, RMI/TMI, and Switch Configuration Revision 19
5–9
In this example, the EIA-485 offset address does not affect Modem #1, so the offset can be
0001 to 0099 without affecting other Modems’ EIA-485 addresses.
Figure 5-2. CDM-Qx/QxL / CRS-300 EIA-485 Scheme