98 Chapter 8 Installing an expansion unitNN40020-302To set G4x16 or G8x16 dip switches1 Set the Module Select dip switches to on (up). See the figure G4x16/G8x16 dip switchlocation on page 98.2 Set the Mode/Country Select dip switches to off (down); this setting allows the MBM toautomatically download the country profile settings.Figure 47 G4x16/G8x16 dip switch locationFor information about line and DN settings, see the table G4x16/G8x16 lines and DNs settingson page 98.To set GASM dip switches1 For the dip switches on the left side at the rear of the module, set all switches to on.2 For the dip switches on the right side at the rear of the module, set the switches according tothe table GASM dip switch settings (switch 1–3) on page 98 and the table GASM dip switchsettings (switch 4–8) on page 99.Table 17 G4x16/G8x16 lines and DNs settingsExpansion unit Module Card Lines DNs1 05 01 065-068 (G4X16)065-072 (G8x16)253-2682 07 01 095-098 (G4X16)095-102 (G8X16)285-300Table 18 GASM dip switch settings (switch 1–3)Switch Description SettingSwitch 1 Firmware download capability OFF—Standard mode (firmware downloading notsupported)ON—Enhanced mode (firmware downloading supported)Switch 2 Set when the firmware isdownloaded from the BCM50(for enhanced mode only)OFF—if you want the GASM to download the firmware whenthe firmware version in the BCM50 is different from theversion in the GASM (default)ON—if you want the GASM to download the firmwarewhenever a cold start is performed for the BCM50Switch 3 Enable or disable echocancellationOFF—Enables echo cancellation (default)ON—Disables echo cancellationMode/Country Select1 2 3 4 5 6 7 8Rear of MBMOFFONModule SelectOFFON 1 2 3 4 5 6
