NT7D16 Data Access card Page 453 of 906Circuit Card Description and InstallationPrograming DAC for mode 6 in service change LD 11When used for inbound or outbound gateway access, the DAC can beconfigured as R232 in LD 11. When used for both inbound and outboundgateway access, the DAC must be configured as R232. When the DAC isprogrammed as station hunting, outbound gateway access should be in theopposite direction to the hunting for inbound gateway access. See Figure 92on page 451 for more details.Note: If CDR is required, use separate outbound and inbound gatewayaccess.Mode 7This mode should be selected when the DAC is connected to a gateway forinbound Hotline operation. The operation of this mode is similar to mode 5except for the following:• The DTR lead is ON in the idle state.• The DTR lead will be dropped OFF for 0.2 second when an establishedcall is disconnected.The baud rate of inbound Hotline calls is determined by programmabledatabase. The system should be programmed to allow inbound calls only onthe DAC unit.Programing DAC for mode 7 in service change LD 11The DAC must be configured as R232 (the Autodial feature is used for thismode). The DAC must not be configured as an ADM trunk.Selecting the proper mode for Host connectivitySelect modes 8, 9, 10, and 11 when the DAC is connected to different typesof hosts (DTE). In these modes, the DAC operates as a DCE and drives DSR,DCD, and RI control leads (see Figure 93 on page 454). CTS, DSR, and DCDare driven OFF in the idle state.The DAC will not send any menu or prompt to the host, nor will it echo anycommand sent from the host. The CTS, DSR, and DCD will be driven ONuntil the call is released. An incoming call to the DAC causes the RI lead to
