OfficeServ 7200 Installation Manual© SAMSUNG Electronics Co., Ltd. 7-157.2 Connecting Additional EquipmentThis section describes how to connect optional equipment, such as Music on Hold(MOH)/Background Music (BGM) sources, external page devices, common bells, and PCsfor PCMMC/SMDR/CTI, to the OfficeServ 7200.7.2.1 Connecting MOH/BGM EquipmentThe OfficeServ 7200 offers music when while on hold. The system provides internaltone/music and external music sources per C.O. or extension lines as the music source.The selection of internal/external music sources is performed through MMC 861.Two external music sources are offered while on hold. Connect the music sources to theMISCI port of the MP20. The MIS optional board should have been mounted on the MP20.Figure 7.18 Connecting MOH/BGM Sources with MP20One external music source is provided while on hold, and the external music source isconnected to the MISC port.If a pair of MOH/BGM Source lines is connected to pin4 and pin5 of the MISC port inMP20S.Figure 7.19 Connecting MOH/BGM Sources with MP20SMOH/BGM source of a userMISC 1MISC 2MOH/BGM source of a userMOH/BGM source of a user