Mitel SX-200 DIGITAL Pabx Engineering Information Manual
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General Maintenance lnformation Peripheral Circuit Cards 8.17 Analog Cards. Analog line and trunk peripheral cards have a small red LED associated with each circuit. When a circuit is involved in a call, its associated LED will be on; when it is not in use, the LED will be off. Line circuit LEDs will flash at a rate of 10 pulses per second when the circuit is receiving dial pulses. 8.18 Digital Cards. Digital card LEDs have all of the functionality of the analog card LEDs, but with several enhancements. When a digital circuit is removed from service by the maintenance system, the associated LED will flash with a period of l/2 second on and l/2 second off. Each digital peripheral card has an alarm LED located at the bottom of the card’s front panel. If any circuit on the card has a known fault or if a card is installed in an unprogrammed or incorrect card slot, the alarm LED will flash with a period of l/2 second on and l/2 second off. See Figure 8-2. Attendant Console 8.19 The SX-200@ DIGITAL PABX Attendant Console function LEDs (see Figure 8-3) are used as maintenance indicators during the console initialization sequence. Tables 8-6 and 8-7 describe the con- sole maintenance indicators. TABLE 8-6 ATTENDANT CONSOLE MAINTENANCE LED INDICATORS I--- Test Name I Test Fail Indication I Console RAM Test Console EPROM Test Console IRQ Test Console LED Test HOLD 1 LED flashes. HOLD 2 LED flashes. HOLD 3 LED flashes. Any of the console LEDs fail to go on, and stav on for 2 seconds. Page 8-7
General Maintenance Information ALARM -LED INE NDICA- ‘ORS L II 1 ALARM \ED murrae I D, UNIVERSAL ON5 LSlGS CARD LINE CARD TRUNK CARD TRUNK INDICATORS ALARM -LED LINE INDICA- TORS -I TRUNK INDICA- TORS -ALARM LED I q TRUNK INDICA- TORS ALARM --LEO COV LINE DID CARD TRUNK CARD TRUNK CARD KA0207RlEl Figure 8-2 Peripheral Card Front Panels Page 8-8
General Maintenance Information LIQUID 10 DISPLAY ASSOCIATIVE 7 LED INDICATORS KEYS (FIXED KEVS) 2 VOLUME CONTROL KEYS 2 CONTRAST CONTROL KEYS 4 CURSOR CONTROL KEYS Figure 8-3 Attendant Console Keyboard Page 8-9
General Maintenance Information TABLE 8-7 ATTENDANT CONSOLE LCD DISPLAY MESSAGES Message Meaning CONSOLE HARDWARE FAILURE 123456789 Console power-up tests failed. ERROR CODE 1 PLEASE NOTE DETAILS ON REPAIR TAG WAITING FOR SYNCHRONIZATION 123456789 Power is available, but there is no PLEASE WAIT synchronization to the line. WAITING FOR COMMUNICATION 123456789 Console is synchronized, but no messages are PLEASE WAIT being received from the system. Note: In all cases, refer to Section MITL9108-093-350-NA, Troubleshooting. Power Supplies 8.20 Rear Door Power Supplies. Any SX-200@ DIGITAL PABX cabi- net that includes analog bays will use a rear door power supply (see Figure 8-4). The AC POWER LED indicates the presence of AC power connected to the power supply. The CONVERTER INPUT LED indicates the presence of transformed power at the DC converter input. The EQUIPMENT SHELF POWER ON LED indicates whether or not the TOP SHELF POWER ON switch on the maintenance panel is in the ON position. The RESERVE BATTERY CONNECTED LED is not used. .r 8.21 Bay Power Supplies. Each digital equipment bay requires one Bay Power Supply (see Figure 8-5). There are two LED indica- tors located on the front panel of the bay power supply; the top LED is the power ON indicator, and the bottom LED is the ring generator indicator. The ring generator indicator will flash on only when ringing signal is applied. Floppy Disk Drive 8.22 The SX-200@ DIGITAL PABX floppy disk drive has one LED on its front panel; it indicates when-the disk drive magnetic heads are in contact with the floppy diskette. Note that power should never be turned off while this LED is on; if this is necessary, first turn the lever to the ‘diskette removal position’ (see Figure 8-6). Power Fail Transfer Card 8.23 The Power Fail Transfer card is located on the inside of the peripheral equipment cabinet on the side panel (see Figure 8-7). The power fail transfer LED is located at the top of the card (see Figure 8-9). When this LED is on, the system is in normal operation; when the LED is off, the system is in power fail transfer mode. The PFP card in the Control Cabinet has no status LEDs. Page 8-‘lo
General Maintenance Information -4BV FIG;, BELL ,,,, NIGHT BELL :b”,“,i: -----. FUSE SHELF POWER ON _c__ LED ‘,“I 1 r I- CONVERTER INPUT LED CONVERTER -INPUT SWITCH RESERVE BATTERY CONNECTED LED AC POWER LED -AC POWER INPUT 7256ROEO Figure 8-4 Rear Door Power Supply Indicators Page 8-11
General Maintenance Information POWER SWITCH POWER ON INDICATOP HANDLE -/a I--- l I%llYU GENERATOR m II I INDICATOR 7996ROEO Figure 8-5 Bay Bower Supply Page 8-12
General Maintenance Information TYPE 1 (C’ITOH YE DATA TYPE) DISKETTE,’ REMOVAL POSITION TURN LEVER ro RIGHT AFTER INSERTING DISKETTE TYPE 2 (MITSUBISHI TYPE) I PUSH TO RIGHT AFTER INSERTING DISKETTE PUSH IN TO REMOVE DISKETTE 7701RlEl Figure 8-6 SX-200@ DIGITAL Disk Drive Page 8-13
General Maintenance information INTERCONNECT CARD - BAY 5’ PFT CARD ’ BAY 4 /’ 0611R2Ez ISAMP POViER SUPPLY Figure 8-7 Power Fail Transfer Card Location - Peripheral Cabinet Page 8-14
General Maintenance Information INTERCONNECT CARD, PERIPHERAL SHELF POWER FAIL TRANSFER CARD FAN ASSEMBLY SHELF Figure 8-8 Power Fail Transfer Card Location - Universal Control Cabinet Page 8-15
General Maintenance information POWER FAIL TRANSFER LED - o ON NORMAL * OFF SYSTEM IN PFT Figure 8-g Power Faili Transfer Card (48Q-Port Configuration) Page 8-16%16