Mitel Sx 50 Dpabx Instructions Guide
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General Description Cover 2.4 The dimensions of the impact-resistant plastic moulded Cover are shown in Figure 2-5. It weighs 2.94 kg (6.48 lb) and covers and protects the complete SX-50 system. Natural convection cools the system through vents on the top and bottom. An integral keylock prevents unauthorized access. 55.2 cm (21.7in.) - CID0020 . Figure 2-5 Cover 100 2-6 Revision 0 9104-091-lOO-NA issue 5
Physical Description Power Supply 2.5 The Power Supply unit (see Figure 2-6) mounts on the left side of the Card Frame. It is cooled by natural convection. Figure 2-7 shows the dimensions of the Power Supply. The weight of the Power Supply unit is 3.28 kg (7.2 lb). The Power Supply provides system power from a 120 Vat commercial power input. The front panel is equipped with the following: a 3-prong ac power supply input, an ON/OFF switch, a 5 Amp slow-blow fuse, and two studs. The studs are labeled as SIG. GND. (Signal Ground) and CHASSIS GND. (Chassis Ground) and are meant to be linked together at all times. There are six power rail output fuses in a recess on the left side. OUTPUT FUSES : SIGNAL GROUND CHASSlS GROUND INPUT FUSE ON/OFF SWITCH AC POWER SUPPLY INPUT I DDOOll Figure 24 Power Supply 9104-091-l 00-NA issue 5 Revision 0 100 2-7
General Description I . 0 30.6 cm (12.1 in.) 0 0 P 0 DD0004 100 2-8 Figure 2-7 Power Supply Dimensions Revision 0 9104-091-l 00-NA Issue 5
Physical Description Control Card 2.6 The Control Card slides into the Card Frame from the right side, parallel to the wall. It plugs directly into the Power Supply unit, forming a backplane for the peripheral cards, It contains the following hardware: l Central Processing Unit (CPU), _ l DX switching matrix (switches voice and data), l Digital Signal Processor (tone generation, tone detection and conference circuits), l Five DTMF receivers, l Timing and control circuits, l Watchdog Timer (monitors processor sanity), l Memory Module interface, l Peripheral card interface circuits, l Attendant Console interface, l RS-232C Inter-face, l Night Bell output, l 7-segment Status display, l Status Switches. On the front edge of the Control Card, there are 3 connectors: an RS-232C port; a console port and a Night Bell. terminal block. The RS-232C port has a programmable baud rate and can be used for a printer or a recording device. The Control Card also provides a master reset switch and a 7-segment LED status display. (Refer to Section 9104-091-350-NA, Troubleshooting Procedures and General Maintenance Information). Figure 2-10 gives the dimensions of the Control Card. The peripheral cards can be extracted from their 64-pin DIN connectors sufficiently to allow removal and replacement of the Control Card without removing the cables. This frees up a card slot for other cards. Control Card 2 (MCC2) 2.7 The Control Card 2 (MCC2) provides the same functions as the original Control Card, as well as the following: l Circuitry to provide Music on Hold and Paging, including an audiofiIter/amplitude lim- iter, analog to digital converter, paging pre-amplifier, and paging control relay. l Circuitry to allow the card to be identified in software (post MS50). 9104491-l OO-NA Issue 5 Revision 0 100 2-9
General Description The Control Card 2 (MCC2) has a six-pin connector, similar to the Night Bell connector, on the right:hand side of the card. The Music/Pager/Relay connector allows external :usic and paging equipment to be connected directly to the SX-50 DPABX. Pinouts ;3r the connector are as follows: l Pin 6 (closest to the -/-segment display) and Pin 5 connect to a relay contact; . Pins 4 and 3 connect to an external paging amplifier; l Pin 2 and Pin 1 (closest to J4) connect to a music source. Refer to Figure 2-9, Control Card 2 (MCC2) and Figure 2-10, Control Card Dimensions. . CARD CONNECTOR CONNECTOR (TO POWER SUPPLY) CARD EXTRACTOR TEST POINTS I / RINGING D --- -n STATUS SWITCH I I r-i.1 II II I u u II Pll (GENERIC - U I I I 6-l _ / (A~ENDANT III’ I _ 7-SEGMENT Jnn 1 , CARD EXTRACTOF NOTE: Due to space limitations. the grounding bracket IS not shown. DDOOlZ Figure 2-8 Control Card 100 2-10 Revision 0 9104-091-l 00-NA Issue 5
Physical Description : CARDCONNECTOR (TO PERIPHERAL CARD) EDGE CONNECTOR (TO POWER SUPPLY) TEST POINTS AC NIGHT BELL RELAY A : RELAYS RETURN C : RINGING D RESET SWITCH STATUS SWITCH RS-232 PORT Ptl (GENERIC MODULE CONNECTOR) J4 (ATTENDANT CONSOLE) 7-SEGMENT DISPLAY MUSICIPAGEWRELAY -CARD EXTRACTOR 0 0 0 0 0 0 0 0 . 0 0 I Due lo space limtitions, the grounding bracket IS not shown DDC012Rl Figure 2-9 Control Card 2 (MCC2) 9104-091-l 00-NA Issue 5 Revision 0 100 2-11
General Description 36.8 cm (14.5 in.) 0 0 0 I I C a 28all (11 in.) 4.5 cm (1.8 in.) . . IL C 7 A L c DD0019i Figure 2-10 Control Card Dimensions Peripheral Circuit Cards 2.8 The SX-50 system>7pperts up to 10 peripheral circuit cards. Located on the front edge of the circuit card is a 25-pair connector, LED displays and a plastic handle which facilitates the removal of the card from the Card Frame. A sample peripheral card is shown in Figure 2-10. Peripheral Circuit cards are installed perpendicular to the wall. They slide into slots in the Card Frame and plug into the Control Card. . . 100 2-12 Revision 0 9104-091-l 00-NA Issue 5
Physical Description There are seven different types of peripheral cards: l On-Premises Stations (ONS) Line Card, l Off-Premises Stations (OPS) Line Card, l Digital Network Interface Circuit (DNIC) Line Card, l Control Over Voice (COV) Line Card, - l Loop Start/Ground Start (LS/GS) Trunk Card, l Universal Card, and l Direct Inward Dial (DID) Trunk Card. _ Refer to Table 2-1, Card and Module Types, for the dimensions and weight of each card. EDGE CONNECTOR EDG 2 POST CONNECTOR CABLE TIE DD0005 Figure 2-11 Peripheral Circuit Card 9104-091-l 00-NA Issue 5 Revision 0 100 2-13
General Description . Table 2-l Card and Module Types Card/Module Type Dimensions Weight Control Card/Control Card 2 1 28 cm X 40 cm (11 in. X 15.7 in.) 1 1 .O kg (2.2 lb) Generic Module I I 22.9 cm X 14.6 cm (9 in. X 5.75 in.) 0.37 kg (1 lb) ONS Line Card OPS Line Card 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) 0.75 kg (1.65 lb) 0.75 kg (! .65 It?) 1 I DNIC Line Card 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) 1 0.75 kg.(l.65 lb) COV Line Card 1 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) 22.3 cm X 36.8 cm (8.8 in. X 14.5 in.) IO.75 kg (1.65 lb) 0.75 kg (1.65 lb) 0.75 kg (1.65 lb) LS/GS Trunk Card DID Trunk Card Universal Card 122.3 cm X 36.8 cm (8.8 in. X 14.5 in.) IO.75 kg (1.32 lb) Music on Hold/Pager Module 1 8.3 cm X 14.5 cm (3.25 in. X 5.7 in.) IO.17 kg (0.37 lb) E&M Trunk Module RMATS Module 8.3 cm X 14.5 cm (3.25 in. X 5.7 in.) 8.3 cm X 14.5 cm (3.25 in. X 5.7 in.) 0.17 kg (0.37 lb) 0.17 kg (0.37 lb) 100 2-14 Revision 0 9104-091-l 00-NA Issue 5
Physical Description r- c c r 1 1 3 2.54 cm (1 in.) 36.6 cm (14.5 in.) Figure 2-l 2 Peripheral Card Dimensions 9104-091-l 00-NA Issue 5 Revision 0 100 2-15