956 NTAK93 D-channel Handler Interface daughterboardLEDs are located on the faceplate of the NTAK09 and NTBK50 cards. TheDCH LED is dual-color (red and green), with states represented as follows:Table 400Faceplate LEDsState DefinitionOn (Red) NTAK93 is equipped and disabled.On (Green) NTAK93 is equipped and enabled, but not necessarily established.Off NTAK93 is not equipped.LEDs are located on the faceplate of the NTAK09 and NTBK50 cards. TheDCHI LED is dual-color (red and green). The LEDs are described in Table401 "Faceplate LEDs" (page 956).Table 401Faceplate LEDsState DefinitionOn (Red) NTAK93 is equipped and disabled.On (Green) NTAK93 is equipped and enabled, but not necessarilyestablished.Off NTAK93 is not equipped.Power consumptionPower consumption is +5 V at 750 mA; +12 V at 5 mA; and –12 V at 5 mA.Power consumption is +5V at 750mA; +12V at 5mA; and -12V at 5mA.Power consumption is +5 V at 750 mA; +12 V at 5 mA; and –12 V at 5 mA.Functional descriptionThe main functional blocks of the NTAK93 architecture include the following.The main functional blocks of the NTAK93 architecture include the following.The main functional blocks of the NTAK93 architecture include the following.MicroprocessorsOne microprocessor does the following:• handles data transfer between each pair of serial ports and software• reports the status of each port• takes commands from software to control the activities of the portsNortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.