Samsung DCS-816 Programming Manual

Also see for DCS-816: Programming manual Programming manual User guide Installation manual Installation manual

Contents

SAMSUNG InstallationDCS-816 February, 19997-67.7 Remote Programming (Figure 7-6)To remotely program the system, connect a customer-provided modem to one of the serialinterface connectors (DB9) on an SIO1 option card (Figures 3-1 and 3-2). Before connecting themodem, ensure that the system power is turned OFF. Any external battery, if installed, shouldalso be removed. Otherwise, the system as well as the modem may be severely damaged.Use a pin-to-pin RS232C cable. Only pins 2, 3, 4, 5, 6, 7 and 8 are required. When the modemneeds to be more than 5 metres away from the system, shielded computer cable is required.Connect a male DB9 connector to the SIO1 card and then connect a connector that meets therequirement of the modem to the other end. The cable must not exceed 100 metres.7.8 Power Failure Transfer (216 Base KSU only)If the system loses AC power and has no external battery, the two (2) analogue trunk ports on thebase board are automatically transferred to the last two (2) stations. Refer to section 2.5.1st Analogue Trunk port on Base board to Station 15 (SLT)2nd Analogue Trunk port on Base board to Station 16 (SLT)PIN CONNECTIONS TO MODEM FIGURE 7-6SIO1 BOARD (DTE DB9) MODEM (DCE DB25)RXD (2)TXD (3)GND (5)DCD (1)TXD (3)RXD (2)GND (7)DCD (1)≤ CONNECT A PC EQUIPPED WITH PCMMC TOONE OF THE DB9 CONNECTORS ON AN SIO1BOARD≤ THE SYSTEM POWER SHOULD BE REMOVEDBEFORE CONNECTING THE DEVICERTS (7) CTS (4)DTR (4) DTR (20)DSR (6) DSR (6)