Rev. B 6-37 HMXMC00101331-Mar-06External Alarm InputsSubrack ID Specifies the subrack ID number where the alarm input module resides. Thevalid range is 1 – 99. If a high level or mimic panel alarm is being used, thenumber is prefixed with an “H”. If a keyboard alarm is being used, thenumber is prefixed with a “K”.Enter the Subrack ID and press Enter on the keyboard.For VideoBlox Subrack, this ID represents the ‘V’+communication portnumber to which the VideoBlox alarm concentrator AVBPIT is connected.Valid range: ‘V’+maximum communication ports.Subrack Slot This field defines the slot number within the control subrack where the alarminput module resides. Valid slot numbers are 1 – 32 for I/O and combinationvideo/I/O subracks, and 15 – 17 for HD Series subracks.Enter the subrack slot number and press Enter on the keyboard.For VideoBlox Subrack, this number represents the alarm concentratorAVBPIT number. Valid range: 0 to 255.Camera Number If the alarm input is located at a remote PTZ site, then the camera number ofthat remote PTZ must be specified. Entering data in this field will clear theSubrack ID and Subrack Slot fields. Valid camera numbers are 1 – 9999.This field should be set to zero (0) when an alarm input module in a subrackis used.Enter a camera number or zero (0) and press Enter on the keyboard.There are 8 separate alarm inputs for every subrack slot defined as an alarminput slot. The actual alarm input used must be specified.Note: If an HD system is being used, alarm inputs are available on theMX4248 module. The pseudo slot and alarm input numbers that have to beentered into the external alarm inputs table are as follows:Alarm Inputs HMX4248 Alarm Inputs (Setmax) Subrack Slot (Setmax)1 – 8 1 – 8 159 – 16 1 – 8 1617 – 24 1 – 8 17Alarm InputEnter the alarm input number and press Enter on the keyboard.For VideoBlox Subrack, this represents the physical alarm input slotnumber from AVBPIT alarm concentrator. Valid range: 1 to 255.Alarm NormalStateThis field defines the normal (i.e. non-active) state of each alarm input. It canbe set to either open or closed. You may either select the required alarmnormal state from the list box as shown below or by typing in either ‘O’ foropen or ‘C’ for closed.When the desired state is displayed in the field, press Enter on thekeyboard.
