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Technical Service Bulletins (TSB) Field and Protection Equipment 1107 SSU Surge Protection Explains the new surge protection limitations and conditions. 1107 SSU, 2230 STU, 4200 LIC, 231x LTU - Induced AC voltage protection failure If one of these devices has failed it will cause a ground fault. The line should be checked and protected against high AC levels. 2000 MTM installation & 2901 LPU replacement The 2901 LPU must be replaced when using a 2000 MTM. 2230 STU - Testing with the 1303 STS Describes how to test a 2230 STU termination with the 1303 STS. Moisture Detection Tape - Adhesion Issue Explanation of minor delamination on moisture detection tape layers. Sensor Baud Rate Maximum Distances Lists sensor baud rates and maximum distances.
Office Equipment 2000 ACU - 10 baud sensor decoding What to do if 10-baud sensors are not received on a clean line. 2000 ACU - Default termination type is STU The 2000 ACU is now factory-set for an STU termination. 2000 ACU - Fail LED comes on at power up if line is shorted Technical Service Bulletin 2000 CCU - ACMS upgrade, ANSI failure What to do if ANSI fails and keyboard entry is blocked when logging into ACMS. 2000 CCU - Floppy drive replacement with Disk On Chip (DOC). How to replace a floppy drive with the new solid-state DOC memory chip. 2000 CCU - Modem replacement Any CCU repair that requires a new modem will get the latest modem speed as the original modem speed may be unavailable. 2000 CCU - New Motherboard & ACMS 2.40 The present motherboard in the 2000 CCU is obsolete. When a board replacement is required it will be replaced with a new type and receive ACMS 2.40. 2000 CCU - Power Supply modification Describes the modification procedure for the Norscan 2000 Computer Control Unit (CCU) power supply circuitry. All 2000 CCUs must have this modification to provide a stable 5 volt output on the power supply. Without it, the modem may not answer and/or the unit will intermittently fail to boot-up. 2000 CCU - Transferring files via Ethernet connection Instructions on how to transfer files over an Ethernet connection when using a 2000 CCU with ACMS TCP/IP. 2000 CCU - Using dry alarm contacts What to do if there are numerous false alarms when using dry alarm contacts. 2000 MTM and ACMS requirements Ensure your 2000 MTM system is setup correctly. 2000 MTM installation & 2901 LPU replacement The 2901 LPU must be replaced when using a 2000 MTM. 2000 SIU limitations with 3-digit sensor codes Technical Service Bulletin 4200 ACU firmware v3.01 update Fixes issues with AUIC, TSU and STU support. 4200 ACU firmware v4.00 update This version supercedes v3.02. 4200 ACU firmware v4.01 update This version supercedes v4.00. 4200 ACU firmware v4.02 update This version supercedes v4.01. 4200 AUIC Card Connect Menu Explains the recommended use of the card connect menu in the AUIC. 4200 CPM alarming on CPC power supply testing A 4200 CPC power supply test will trigger a CPM alarm. 4200 LIC - Improved AC protection A hardware modification fixes a problem where induced AC current damages the protection devices on the LIC card and causes a ground fault. AUIC will not boot with serial cable connected The 4200 CMS with AUIC may not boot if a serial cable is connected to the 4200 CMS. Power consumption of the 2000 and 4200 Cable Managements Systems Technical Service Bulletin
Software 2000 CCU - ACMS upgrade, ANSI failure What to do if ANSI fails and keyboard entry is blocked when logging into ACMS. 2000 CCU - New Motherboard & ACMS 2.40 The present motherboard in the 2000 CCU is obsolete. When a board replacement is required it will be replaced with a new type and receive ACMS 2.40. 2000 MTM and ACMS requirements Ensure your 2000 MTM system is setup correctly. ACMS 2.41 release File transfer bugs fixed in this version.
Test Equipment 1303 STS - firmware upgrade v1.20 Adds support for 3-digit sensors. 1303 STS - Testing the 2230 STU Describes how to test a single or multiple 2230 STU terminations with the 1303 STS. 2150 LRFL - Lightning Damage Guidelines on how to protect the 2150 LRFL from high voltage surges. 2150 LRFL - Replacing Fuses The 2150 LRFL has been modified to accommodate fuse replacement in the field.
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