NEC Mcu 5000a Multipoint Control Unit Equipment Manual
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NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-006 MOUNT UNIT TO SHELF GENERAL: This procedure describes instruction for mounting unit to MCU 5000A shelf. APPARATUS: 2224 Charge-Guard Adjustable Wrist Strap (3M) or equivalent. SUPPORT DATA: None STEP PROCEDURES 1WARNING: TO PREVENT DAMAGE TO THE ELECTROSTATICS SENSITIVE DEVICES USED IN THE MCU 5000A, ALWAYS WEAR A WRIST STRAP WHEN INSTALLING UNITS. Attach the 2224 adjustable wrist strap or equivalent to the wrist and connect to the ESD connector on the MCU 5000A. 2 Open front cover, if necessary. 3 Turn off power switch. 4 Are the setting or changing of SW and strap necessary? If Ye s , go to Step 5 . If No , go to Step 7 . 5 See the corresponding GSD of appendix and verify the setting of switch and strap corresponding unit as below. UNIT Reference Drawing No. 1.5M LIF 1 to 4 GSD-001 RS-422 LIF 1 to 4 GSD-002 H0-INF LIF 1 to 4 GSD-003 EC H221 MUX 1 to 8 GSD-004 V SW/LSD GSD-005 A CODEC 1 to 2 GSD-006 A SUM GSD-007 PG/SIO GSD-008 M CONT GSD-009 VDSW GSD-010 6 If the setting are not correct, make any necessary changes while referring to figures. 7 Verify the unit abbreviation (see Fig. 1 (a)) and mounting position of unit (see Fig. 1 (b)). Note: On the rear of front cover, there is attached unit label showing unit abbreviation and unit mounting position. 8 Is the unit applicable to any of 1.5M LIF, RS-422 LIF, H0-INF LIF, EC H221 MUX, or A CODEC? If, Ye s , go to Step 9 . If No , go to Step 10 .
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-006 MCU 5000A Multipoint Control Unit MOUNT UNIT TO SHELF Figure 1: How to Insert Unit STEP PROCEDURES 9 Prepare the same kind unit in numerical order. 10 Install the unit in the appropriate slot of the shelf (See Fig. 2). 11 Remove the 2224 adjustable wrist strap and disconnect from ESD connector on the MCU 5000A. 12 End of procedure. UNIT ABBREVIATION (a) Location of Unit Abbreviation UNIT ABBREVIATION KNOB FOR LOCKING UNIT LABEL (b) Mounting Position of Unit ON OFF DBG NOR 256 512 H221 MUX LED 16 9 8 1 DSW 1 S3MUX S4 SCU S5232 S6WDT SW1 S7 PROM ON OFF ON OFF DBG NOR S1 FRS CN 1 CN 2 S9 S8MLB SA ON NOR NOR DBG
NECA 340-414-210 Revision 2.0 Page 3 of 4 MCU 5000A Multipoint Control Unit INP-006 Figure 2: How to Install Unit FRONT BOTTOM UNIT EJECTORTOP UNIT EJECTOR UNIT LOWER GUIDE
Page 4 of 4 NECA 340-414-210 Revision 2.0 INP-006 MCU 5000A Multipoint Control Unit This page is for your notes.
NECA 340-414-210 Revision 2.0 Page 1 of 2 MCU 5000A Multipoint Control Unit INP-007 REMOVE UNIT FROM SHELF GENERAL: This procedure describes instruction for removing unit out of MCU 5000A shelf. APPARATUS: 2224 Charge-Guard Adjustable Wrist Strap (3M) or equivalent. SUPPORT DATA: None STEP PROCEDURES 1WARNING: TO PREVENT DAMAGE TO THE ELECTROSTATIC SENSITIVE DEVICES USED IN THE MCU 5000A, ALWAYS WEAR A WRIST STRAP WHEN REMOVING UNITS. Attach the 2224 adjustable wrist strap or equivalent to the wrist and connect to the ESD connector on the MCU 5000A. 2 Open front cover, if necessary. 3 Turn off power switch. 4Note: The mounting location of the units is shown on the rear of front cover. Verify the location of the unit to be removed. 5 Pull down on the bottom ejector and push up on the top ejector. (See Fig. 1) 6 Hold the top and bottom ejectors of the unit and gently slide the unit out of shelf. (See Fig. 2) 7 Place the removed unit in an antielectrostatics tray or bag and store it in an antistatic environment to prevent damage to the unit. 8 Remove the 2224 adjustable wrist strap and disconnect from the ESD connector on the MCU 5000A. 9 Turn ON power switch, if necessary. 10 Close the front cover, if necessary. 11 End of procedure.
Page 2 of 2 NECA 340-414-210 Revision 2.0 INP-007 MCU 5000A Multipoint Control Unit Figure 1: Release the Unit Figure 2: How to Remove Unit H221 MUX LED 16 9 8 1 DSW 1 ON OFF ON OFF DBG NOR DBG NOR S4 S5 S6MUX SCU 232 WDT 256 512 S7PROM S8S9 CN1 CN2 SAMLB FRS S1ON OFF ON OFFSW 1 S3 NORNOR FRONT BOTTOM UNIT EJECTOR TOP UNIT EJECTOR UNIT LOWER GUIDE
NECA 340-414-210 Revision 2.0 Page 1 of 2 MCU 5000A Multipoint Control Unit INP-008 INTERNAL CONNECTION GENERAL: This procedure describes the instruction for internal connection after installed the units of MCU 5000A. APPARATUS: None SUPPORT DATA: None STEP PROCEDURES Notes: 1. Three units are required for internal connection such as LIF1, LIF2, and PG/SIO units. 2. There is symbol ( s) at the pin number “1“ of each connector. This point is the top of connector so that verify it when connecting. 1 Connect the LIF 1 H connector to the upper position “1“ of LIF #1 unit. (See Fig. 1.) 2 Connect the LIF 1 L connector to the lower position “2“ of LIF #1 unit. (See Fig. 1.) 3 Are LIF 2H and LIF 2L connectors connected? If YES , go to Step 4 . If NO , go to Step 6 . 4 Connect the LIF 2 H connector to the upper position “3“ of LIF #2 unit. 5 Connect the LIF 2 L connector to the lower position “4“ of LIF #2 unit. 6 Connect the PG/SIO H connector to the upper position “5“ of PG/SIO unit. 7 Connect the PG/SIO L connector to the lower position “6“ of PG/SIO unit. 8 End of procedure.
Page 2 of 2 NECA 340-414-210 Revision 2.0 INP-008 MCU 5000A Multipoint Control Unit Figure 1: Internal Connection in Shelf LIF 2 H LIF 1 L2 3 LIF 2 L4 LIF 1 H 1 5 6 PG/SIO L PG/SIO H 1 23 45 6 0 1 2 3 4 5 6 7 8 [U] PWR L I F # 1L I F # 2E C M U X # 1E C M U X # 2E C M U X # 3E C M U X # 4E C M U X # 5E C M U X # 6E C M U X # 7E C M U X # 8V S W / L S DH S D # 1H S D # 2A C O MA C O MA S U MP G / S I OM C O N T Table 1: Internal Connection CONNECTION NO. UNIT NAME CONNECTOR LABEL NAME 11.5M LIF UNIT #1: TOP RS-422 LIF UNIT #1: TOP H0-INFLIF1 H 21.5M LIF UNIT #1: BOTTOM RS-422 LIF UNIT #1: BOTTOMLIF1 L 31.5M LIF UNIT #2: TOP RS-422 LIF UNIT #2: TOP H0-INFLIF2 H 41.5M LIF UNIT #2: BOTTOM RS-422 LIF UNIT #2: BOTTOMLIF2 L 5 PG/SIO UNIT: TOP PG/SIO H 6 PG/SIO UNIT: BOTTOM PG/SIO L
NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-009 LIF (CH1 to CH16) CABLE CONNECTION GENERAL: This cable connects MCU 5000A to 1.544M transmission line and to transmit AMI (B8ZS) signal. This interface uses as 1.5M LIF, RS-422 LIF, and H0-INF LIF, so there are difference of signals and pin assignment between both of them. APPARATUS: None SUPPORT DATA: None Figure 1: LIF Cable Connection STEP PROCEDURES 1Using AWG 24 shielded cable or equivalent, route cable between transmission line interface of DOCED (VL 5000) and MCU 5000A shelf terminals. 2 Strip specified length of plastic sheath from one end of cable for assemble of D-sub 15 pin connector. 3 Assemble D-sub 15-pin connector at the end of cable according to Ta b l e 1, 2, or 3 depend on line transmission rate. 4 Connect the D-sub 15-pin connector to the appropriate position (CH1 to CH16) on backboard of MCU 5000A. 5 Are the other D-sub 15-pin connector connected? If YES , go to Step 1 . If NO , go to Step 6 . 6 Affix AWG 24 shielded cable to the specified position with cable strap or equivalent. 7 End of procedure. MCU 5000ACODEC (TC5000) AWG 24 SHIELDED CABLE OR EQUIVALENT
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-009 MCU 5000A Multipoint Control Unit Figure 2: LIF (CH1 to CH16) Connector Pin Assignment Table 1: 1.5 LIF (CH1 to CH16) Signal Assignment PIN NO. SIGNAL NAME I/O REMARKS PIN NO. SIGNAL NAME I/O REMARKS 1 SHIELD Cable shield 9 T (B)+ OUT Transmit (B) 2 T (A)- OUT Transmit (A) 10 _ 3 _ 11 R (B)+ IN Receive (B) 4 R (A)- IN Receive (A) 12 _ 5_ 13_ 6_ 14_ 7_ 15_ 8 SG _ Signal ground - Table 2: RS-422 (CH1 to CH16) Signal Assignment PIN NO. SIGNAL NAME I/O REMARKS PIN NO. SIGNAL NAME I/O REMARKS 1 SHIELD _ Cable shield 9 T (B)+ OUT 2 T (A)- OUT 10 C (B)+ OUT 3 C (A)- OUT 11 R (B)+ IN 4 R (A)- IN 12 I (B)+ IN 5 I (A)- IN 13 S (B)+ IN 6 S (A)- IN 14 S (B)+ OUT 7 S (A)- OUT 15 FG _ Frame ground 8 SG _ Signal ground - Table 3: H0-INF (CH1 to CH16) Signal Assignment PIN NO. SIGNAL NAME I/O REMARKS PIN NO. SIGNAL NAME I/O REMARKS 1 SHIELD - Cable shield 9 T (B)+ OUT 2 T (A)- OUT 10 - 3 - 11 R (B)+ IN 4 R (A)- IN 12 - 5- 13- 6- 14- 7- 15- 8 SG - Signal ground - 8 151 9