. universalDataSystems :: UniversalDataSystems UDS801AC Direct Connect Installation And Operation Manual Jan1985 . ACU The UDS 801 A/C interfaces to the DTE, DCE and the PSTN (Public SwitchedTelephone Network). The interface connectors are located on the rear panel ofthe ACU. RS-232-C Input, ACU and DCE Share One Computer Port The UDS 801 A/C can be configured to share one computer port in series with theDCE. In this mode, the ACU is transparent to both the DTE and the DCE exceptduring dialing operations. The ACU monitors the DTE connector for dial commandsand the DCE connector for DSR O
. universalDataSystems :: UniversalDataSystems UDS801AC Direct Connect Installation And Operation Manual Jan1985 . ACU The UDS 801 A/C interfaces to the DTE, DCE and the PSTN (Public SwitchedTelephone Network). The interface connectors are located on the rear panel ofthe ACU. RS-232-C Input, ACU and DCE Share One Computer Port The UDS 801 A/C can be configured to share one computer port in series with theDCE. In this mode, the ACU is transparent to both the DTE and the DCE exceptduring dialing operations. The ACU monitors the DTE connector for dial commandsand the DCE connector for DSR OFF required to enter dial mode. See the followingdiagram (Figure 4) for shared port connections. RS-232-C Input, ACU Has A Dedicated Computer Port The UDS 801 A/C can be controlled from a computer port dedicated to RS-232-Cinput to the dialer alone. In this configuration, the 801 monitors the DTEinputs for dial commands and the TELCO connector to determine if the line is inuse prior to call initiation. See Figure 5 for dedicated port connections. 3-1 I DATA TERMINALEQUIPMENT DATA COMMUNICATIONSEQUIPMENT. TELCO JACKRJ11C, RJ418,RJ4S8 IF DCE IS UDS TYPE: CABLE #1 1. 2. 3. Cable 1 is UDS 1020192. Cable 2 is UDS 1020192 if Data Jack is Programmable or Fixed Loss Type. (RJ45S or RJ41S) Cable 2 is UDS 1020202 if Data Jack is Permissive Type. (RJ11C) Cable 3 is part of DTE Equipment. Cable 4 is UDS 1020204, 6 Feet in Length. Functions not Utilized by UDS Modems. Functions not Utilized if Data Jack is Permissive Type Pin 1 and 2 is Tip and Ring if Data Jack is Fixed Loss Type. CABLE #1 FUNCTION PIN 1 A Note 6 2 C Note 6 3 Dl 4 DATA TIP 5 DATA RING 6 Al 7 PR Note 7 8 PC Note 7 IF DCE IS NOT UDS TYPE: 1. Cable 2 is UDS 1020192 if Data Jack is Programmableor Fixed Loss Type. (RJ45S or RJ41S) 2. Cable 2 is UDS 1020202 if Data Jack is PermissiveType. (RJ11C) 3. Cable 1 is Special. Consult UDS Engineering. 4. Cable 3 is part of DTE Equipment 5. Cable 4 is UDS 1020204, 6 Feet
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