NEC 2400 ipx manual Circuit Card Manual

Page 1

NDA-24296

ISSUE 1

STOCK # 200774

®

Circuit Card Manual

OCTOBER, 2000

NEC America, Inc.

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Contents Circuit Card Manual Page Liability Disclaimer Page NEAX2400 IPX Revision Sheet 2/9 Revision Sheet 3/9 Revision Sheet 4/9 Revision Sheet 5/9 Revision Sheet 6/9 Revision Sheet 7/9 Revision Sheet 8/9 Revision Sheet 9/9 Page Circuit Card Manual NEAX2400 IPXTable of Contents List of Figures List of Figures Location ofPA-CK14 OSC Card in the System 232 101 Connecting Route Diagram 121 Location ofPA-SDTA SDT Card in the System 433 NDA-24296LIST of Figures 161 Location ofPA-4DATB DAT within the System 531List of Figures Chapter List of TablesThis page is for your notes NDA-24296CHAPTER IntroductionMounting Location of Circuit Card Card Mounting Slot for the 1 IMG System NDA-24296 Card Mounting Slot for the 4 IMG System 1/4 Card Mounting Slot for the 4 IMG System 2/4 Card Mounting Slot for the 4 IMG System 3/4 Card Mounting Slot for the 4 IMG System 4/4 Card Mounting Slot for the IPX-U System 1/5 Card Mounting Slot for the IPX-U System 2/5 Card Mounting Slot for the IPX-U System 3/5 Card Mounting Slot for the IPX-U System 4/5 NDA-24296 Card Mounting Slot for the IPX-U System 5/5 Card Mounting Slot for the IPX-UMG System 1/5 NDA-24296 Card Mounting Slot for the IPX-UMG System 2/5 Card Mounting Slot for the IPX-UMG System 3/5 NDA-24296 Card Mounting Slot for the IPX-UMG System 4/5 Card Mounting Slot for the IPX-UMG System 5/5 This page is for your notes Control Circuit Card Reference CPU Board SN1695 CPRBF-ASN1695 CPRBF-A Operation. Note CPR Location SN1695 CPRBF-A in the IPX-UMG System CPR Location for IPX-UMG System Front View of CPR CPR in SP for IPX-UMG System CPR in LP for IPX-UMG System Lamp Name Color Description Description Name Lamp SN1695 CPRBF-AStatus DSPLamp Indications for the CPR in CMP Lamp Indications for the CPR in LP Lamp Description Name Switch Name Setting Standard Meaning Sense Switch Setting Standard Meaning NameDSP OFF SELECT0On the CPR of system #0 and #1 CMP File copied from FDD to HD/Connection Hold Restart. Note PWR Switch Name Switch Shape RemarksFDD/HDD MBR DSP System SELECT0 SELECT1 DSP System SELECT2 SenseGate PH-GT09PH-GT09 10 Face Layout of PH-GT09 GT NDA-24296 OPE/MB Lamp Name Color StateDown Input Output Gate PH-GT10PH-GT10 12 Location of PH-GT10 Iogt for IPX-UMG System PH-GT10 Iogt 13 Face LayoutOPE/MB OFF Lamp Name Color MeaningPwralm CA4LData Link Multiplexer PA-PC94PA-PC94 PIM ACT OPELoad OFF MNT Mode Switch Switch Shape Remarks NameMNT OFF ModePA-PW54-A Dual PowerPA-PW54-A PIM 17 Face Layout of PA-PW54-A Dpwr Card Switch Setting Standard Description Name SW4 Reset DownPA-PW54-B PA-PW54-BDpwr 19 Face Layout of PA-PW54-B Dpwr Card Red Lights in the case of +5 V, +12 V, or -5 V outputs alarm Circuit card make busy cancel PA-PW55-A PowerPA-PW55-A PWR 21 Face Layout of PA-PW55-A Card Switch Settings This circuit card has the following switches Switch Setting Sheet PA-PW55-B PA-PW55-BPWR NDA-24296CHAPTER 23 Face Layout of PA-PW55-B Card Switch Settings This circuit card has the following switches Switch Setting Sheet Display Panel Controller PH-DK10PH-DK10 24 Location of PH-DK10 Dspc 25 Face Layout of PH-DK10 Dspc NDA-24296 Lamp Name Color State 26 Connection of Alarm Indicating Panel Switch Name Switch Shape Remarks Chapter Input/Output Controller PH-IO24PH-IO24 28 Face Layout of PH-IO24 IOC Card PORT0 PORT3 IOC ALM29 External Cable Connection for PH-IO24 IOC Meaning of SW50-1 PH-M22 31 Location of PH-M22 MMC in IPX-UMG System NDA-24296 LPM/CMP/LP Green Lights when this circuit card is in operation 33 Connection of Alarm Indicating Panel Switch Name Switch Shape Remarks NDA-24296CHAPTER Line Test PH-M16LPM SW0 36 LT Connector Lead Accommodation Switch Name Switch Shape Remarks Multiplexer PH-PC36PH-PC36 38 Location of PH-PC36 MUX Card in the 4 IMG System PH-PC36 40 PCM Highway Running 41 Face Layout of PH-PC36 MUX Sync MUX ACTRclk ALM Pmclk ALM42 External Interface for PH-PC36 43 Cable Connections between the MUX and the TSW SW01 Data Link Controller PH-PC20PH-PC20 PWR ALM Switch Switch no Setting Standard Meaning NameNo cable connections are required Switch Setting Sheet PH-PC45 Emergency Alarm ControllerPH-PC45 47 Face Layout of the PH-PC45 EMA Card Ckerr ACT1ACT0 EmsupTopu OFF PH-PC45 48 Connection of Alarm Indicating Panel and Music on Hold SWA0 EMA-SUP CPU-SEL NMI-SELPH-PW14 Power SwitchPH-PW14 50 Face Layout of the PH-PW14 Card ALM Module Slot no Switch Switch Shape Remarks NamePH-SW10 Time Division SwitchPH-SW10 52 PLO Function Diagram 53 Voice Prompting NDA-24296 54 Face Layout of PH-SW10 TSW Ploact MuxactM3SY M2SYICK Sync OFFECK TswmbrParty Conference Trunk CFT is valid PLO operates as the clock subordinate office 55 PLO Connector Leads Location 56 Connecting Route Diagram Front cable connections are shown in Figure Tswmbr Plomb PH-SW12 PH-SW12Music/Tone Insertion 60 Speech Path Memory SPM for Voice Prompt Function Symbol System Function Controlled IMG Symbol System Controlled IMGFor the card in TSWM1 Tone PLOTswmbr Tone PU-SW00/PU-SW00-A PU-SW00/PU-SW00-A63 Location of PU-SW00/PU-SW00-A TSW for IPX-U System 63 Location of PU-SW00/PU-SW00-A TSW for IPX-UMG System 64 Face Layout of PU-SW00/PU-SW00-A TSW Hckalm TSW MBR TSW MBSWE5 OFF TSW MB TSW MBRPU-SW01 Highway SwitchPU-SW01 65 Location of PU-SW01 HSW for IPX-U System 65 Location of PU-SW01 HSW for IPX-UMG System 66 Face Layout of PU-SW01 HSW Ckalf PwpalmCkale CkaldCKAL2 CKAL3CKAL1 CKAL0Industrial Standard Architecture Gateway PZ-GT13PZ-GT13 68 Location of PZ-GT13 Isagt in the IPX-U System ISW 70 Face Layout of PZ-GT13 Isagt PZ-GT16 PZ-GT1672 External Interface for PZ-GT16 73 Face Layout of PZ-GT16 Isagt Industry Standard Architecture Gateway PZ-GT20PZ-GT20 LPIMG0/4/8/12 NDA-24296 PZ-M565 79 Face Layout of PZ-M565 Isagt Card PCI Memory PZ-ME44PZ-ME44 Soft 82 Face Layout of PZ-ME44 PCI MEM CardLocal Area Network Interface PZ-PC19PZ-PC19 84 External Interface for PZ-PC19 EST1 EST0EST2 EST3Switch Setting Sheet No switch settings are required PZ-PC22 PZ-PC2288 Location of PZ-PC22 Link TxrxCOL 90 External Interface for PZ-PC22 Lani PZ-PC23 PZ-PC2392 Location for PZ-PC23 TXRX0/1 LINK0/194 External Interface for PZ-PC23 Lani LINE/TRUNK Circuit Card Reference Party Conference Trunk PA-CFTBPA-CFTB Mounting Module BL7 BL0Switch Setting Standard Meaning Name SW2 PIM SW0 SW1 Module Slot Switch Switch Shape Remarks NameOscillator PA-CK14PA-CK14 Face Layout of PA-CK14 OSC Card CLKOUT1 CLKOUT0PH-CK16 Phase Lock OscillatorPH-CK16 PH-CK16 Music Source NDA-24296 Face Layout of PH-CK16 PLO Palm SW03 Fixed to SW8F Swab Tswm Connecting Route Diagram Swab Swac SW8FPH-CK16-A PH-CK16-A11 Location of PH-CK16-A PLO in IPX-U/IPX-UMG System TSWMIMG1 12 Face Layout of PH-CK16-A PLO ALM0 CkpkgALM1 When clock source failure has occurred, the PLO keeps on Mounted in TSWM0 of IPX-U/IPX-UMG System PH-CK16-A SW12 Not used 13 PLO Pin Assignments for Receiving Clock 4 IMG System 1/2 13 PLO Pin Assignments for Receiving Clock 4 IMG System 2/2 14 PLO Pin Assignment for Receiving Clock Iswm 1/2 Iswm Baseu ISW/CMG PLO#1 EXCLK1 PLO#0 EXCLK0 LN/LMG 17 LT Connector Lead Location of PLO ISWM-TSWM0/1 IMG 19 Connection of External Music-On-Hold Switch Name Switch ShapePH-CK17 PH-CK17PH-CK17 21 Music Source NDA-24296 22 Face Layout of PH-CK17 PLO Lamp Name Color State KHz of Frame Head signals are extracted from the DCS signals SW06 Don’t care 23 LT Connector Lead Location of PLO Tswm NDA-24296 24 Connecting Route Diagram SW01 SW02 PH-CK17-A PH-CK17-A26 Location of PH-CK17-A PLO in IPX-U/IPX-UMG System TSWM0IMG1 27 Face Layout of PH-CK17-A PLO Palm Switch Setting Standard Meaning Name This circuit card is used associated with Sync PA-CK16 5 m Frame Pulse FP is supplied by the Sync card DIU 0 is not used Not used SW12 28 PLO Pin Assignments for Receiving Clock 4 IMG System 1/2 28 PLO Pin Assignments for Receiving Clock 4 IMG 2/2 29 PLO Pin Assignment for Receiving Clock Iswm 1/2 NDA-24296CHAPTER LN/LMG 32 LT Connector Lead Location of PLO ISWM-TSWM0/1 NDA-24296 IMG 34 Connection of External Music-On-Hold SW03 SW10 SW11 SW12 Clock PH-CK18PH-CK18 Mounting Module TSWM1IMG2/6/10/14 Lamp Color Meaning 37 LT Connector Lead Location ISWM-TSWM0/1 Switch Setting Sheet Central Office Trunk PA-8COTBJPA-8COTBJ 39 Face Layout of PA-8COTBJ 8COT Switch Setting Standard Meaning 40 LT Connector Leads Accommodation EIA/TIA 464-A PIM PA-16COTBE PA-16COTBEPIM 43 Face Layout of PA-16 Cotbe 16COT No Circuit make busy MB8 ~ No Circuit make busy Wink Signal Detection Time Call abandon detecting condition Disconnection if ringing Artd Apad Transmit Receive Remarks PAD 44 LT Connector Leads Accommodation 1/2 44 LT Connector Leads Accommodation 2/2 NDA-24296 45 Connecting Route Diagram 1/2 Module Slot no Switch Name Switch Shape Remarks Attendant Interface PA-CS02-CPA-CS02-C 47 Face Layout of PA-CS02-C 2ATI BLS1 BLS0BLA0 BLA1SW8 OFF 48 LT Connector Lead Accommodation NDA-24296 Module Hotel Attendant Interface PA-CS08PA-CS08 OFF Lamp Color State SW02 TAS0 SW9 51 LT Connector Lead Location PIM NDA-24296 Switch Switch Shape Remarks PA-CS08-B PA-CS08-BPIM 53 Face Layout of PA-CS08-B Hmati Lamp Color State Circuit card make busy OFF SW9 54 LT Connector Lead Accommodation NDA-24296 UP Circuit card make busy PA-CS33 PA-CS3356 Face Layout of PA-CS33 ATI Green Remains lit while circuit card is operating normally TAS#0 Desk Console Expanded LCD Display available On Console is shown below 58 Connecting Route Diagram NDA-24296 PBX 59 Desk Console ConnectionPBX No. of DC -48V cablesNo. of GND cables 61 LT Connector Lead Location PIM SW00 SW01 Line Circuit PA-8LCBRPA-8LCBR PIM Lamp Name Color Status Meaning 63 Face Layout of PA-8LCBR 8LCOFF BNW2 on BNW1 OFF Switch Setting64 LT Connector Leads Accommodation 65 Connecting Route Diagram SW00 SW10 SW01 PA-16LCBE PA-16LCBEPIM BL1S OFF 67 Face Layout of PA-16LCBE 16LCSW0 OFF However, when the station line is long PBX Telephone Set, rearrange the switch setting Polarity Reversal as Disconnect Signal Stutter Dial Tone Available 68 LT Connector Leads Accommodation 1/2 NDA-24296 68 LT Connector Leads Accommodation 2/2 69 Connecting Route Diagram SW0 SW1 PIM Module Slot NO. Switch Name Switch Shape RemarksPA-16LCBJ-A PA-16LCBJ-APIM 71 Face Layout of PA-16LCBJ-A 16LC 2Dial pulses are being received. While dial Circuit no Kind of Balancing Network BNW8~15 Compromise 72 LT Connector Lead Accommodation 1/2 NDA-24296 72 LT Connector Lead Accommodation 2/2 73 Connecting Route Diagram NDA-24296 Module Slot No PA-16LCBJ-B PA-16LCBJ-BPIM Lamp Color State Meaning Name 75 Face Layout of PA-16LCBJ-B 16LCSW00MB Card make-busy Inserted state OFF Switch Name Setting76 LT Connector Leads Accommodation 1/2 76 LT Connector Leads Accommodation 2/2 NDA-24296 77 Connecting Route Diagram SW00 SW13 SW15 PA-16LCBW PA-16LCBW79 Face Layout of PA-16LCBW LC NDA-24296 Lamp Name Lamp Status Meaning of Indication Color 350 21∝ 600 Compromise ImpedanceEIA/TIA-464B Switch Function Switch Setting MeaningSwitch Function Meaning Setting Message Waiting Lamp See also Connecting Route Diagram Figure 80 LT Connector Lead Accommodation 2/2 Connecting Route Diagram for the PA-16 Lcbw LC is as follows SW00 SW10 BNW0-7 SW11 BNW8-15 SW14 SW15 SW16 SW17 PA-16LCBY PA-16LCBY83 Face Layout of PA-16LCBYLC Card Lamp Name Lamp Status Meaning of Indication OFF ICS-PBX PAD Neax 2400 PADSW19 For North America, Other Country µ Law 84 LT Connector Lead Accommodation 1/2 84 LT Connector Lead Accommodation 2/2 Connecting Route Diagram for the PA-16 Lcby LC is as follows Switch Shape Remarks Electric Line Current PA-16ELCJPA-16ELCJ Firmware87 Face Layout of PA-16ELCJ ELC Card NDA-24296 Green Remains lit while on-line operations are normal ELC/DLC SW01-188 LT Connector Lead Location 16ELC Mode 1/2 16ELC mode Module Electronic Line Circuit PA-16ELCJ-BPA-16ELCJ-B 90 Face Layout of PA-16ELCJ-B ELC Card Lamp Name Color State LP-PM SW10-3 OFF, SW10-4 OFF SW10-3 OFF, SW10-4 on 91 LT Connector Lead Accommodation 16ELC Mode 1/2 91 LT Connector Lead Accommodation 16ELC Mode 2/2 NDA-24296 8DLC mode SW10 SW11 Fusion Call Control Handler PA-FCHAPA-FCHA 94 Face Layout of PA-FCHA FCH Card Load LYRTurn on the MNT3 switch Flip the MB switch This SW designates the D/I channel Set the corresponding SWs to on for D/I, OFF for Denial Positive logic for the D/I PA-FCHA 95 FCH/HUB/DTI Connection 96 FCH Cascade Connection NDA-24296 SW12 SW13 PA-24LCBV PA-24LCBVOPE1 LED Name Color LED Status DescriptionOPE2 This switch North America, Other Country A/µ Law 350 600 Compromise ImpedanceEIA/TIA-464A SW00 SW10 99 LT Connector Lead Location PIM 1/2 99 LT Connector Lead Location PIM 2/2 NDA-24296 LC Connector Leads 101 Connecting Route Diagram LC Cable Connection 103 Cable Running for LC Cable Example NDA-24296 PA-M69 Power Failure TransferPA-M69 105 Face Layout of PA-M69 PFT, 12NCU Switch Name Setting Standard Meaning 106 LT Connector Leads Accommodation 107 NCU Connector Accommodation SW0 PIM Down 108 Connecting Route DiagramPA-M96 110 Face Layout of PA-M96 HUB Card ST0~ST7 CRS0~CRS7Polarity indication on the STn lamps for TPn-X ports n = 0~7 FCH/HUB/DTI/LANI Connection SEL PA-M103 113 Face layout of PA-M103 HUB Card Switch Settings No switch settings are required 114 External Interface for PA-M103 HUB Card Register Sender Trunk PA-8RSTKPA-8RSTK PIM BLR7 OFF BLR0BLS7 OFF Register make busy of the corresponding circuit Sender make busy of the corresponding circuit OFF SW0 Meaning NameMFR Receive Specification AT&T MBR0-3 MBR4-7 MBS0-3 PA-8RSTM PA-8RSTM118 Face Layout of PA-8RSTM 8RST Register Make-busy of the corresponding circuit Sender Make-busy of the corresponding circuit 17 dBm0 MFR Receive Specification ITU-T No MBR0-3 SW01 MBR4-7 SW03 MBS0-3 SW02 PA-8RSTY PA-8RSTY120 Face Layout of PA-8RSTY 8RST NDA-24296 Lamp Name Color State SW01 Register make busy of the corresponding circuit MBR0-7 Switch Function Switch Setting Meaning MFR/PBR SW13 MF Transmission Level-9dBm SW00 Standard Setting Down SW01 MBR0-7 SW02 MBS0-7 SW10 SW11 SW12 SW13 SW14 SW15 SW16 SW17 SDH/SONET Digital Trunk PA-SDTAPA-SDTA PIM 122 PA-SDTA Card Mounted in the 1 IMG System 123 Face Layout of PA-SDTA SDT LPB OPTSW11 PAD function is effective PA-SDTA PA-SDTB 125 Example of Cable Connection for 1-IMG System PIM2 IMG0 IMG1 IMG2 IMG3 PIM3PIM1 PIM0SDT Module Time Slots Cable Connections Group FromSDT PA-SDTB 126 Example of Cable Connection for 4-IMG System 127 Location of MUXxxx Connectors for SDT Condition Level Margin 128 Level Diagram129 LT Connector Lead Accommodation 4 5 6 7 3 4 5 6 7 130 Location of PA-SDTB SDT Card in the System PA-SDTB00 01 02 03 04 05 06 07 08 09 10 11 12 13 15 16 18 19 21 22 131 Face Layout of PA-SDTB SDT 2MALB 2MALA32MALA 32MALBSwitch Name Switch Shape Chapter Common Channel Handler PA-2CCHAPA-2CCHA PIM DOPE1 DOPE0SW01 No Circuit make busy request MODE1 MODE0SW13 For No Circuit 134 LT Connector Lead Accommodation 1/2 134 LT Connector Lead Accommodation 2/2 135 Connecting Route Diagram Digital Ccis 136 Connecting Route Diagram Analog Ccis Module Slot no Switch Switch Shape Remarks Name Common Channel Trunk PA-24CCTAPA-24CCTA PIM 138 Face Layout of PA-24CCTA 24CCT FRM PCMBER RMTSW00/MB 139 Available Locations for Loopback TestingSW02 Transmission Guard Timer Setting sec SW11/39 PAD Control SW12/58 PAD Pattern Selection SW15/25 Impedance Setting 100 Ω SW18/11B Fixed to all on Selection of CCH Built-in CCH Artd Digital PAD Setting Table for PA-24CCTA140 LT Connector Lead Accommodation 141 Connecting Route Diagram PIM SW00/MB Down SW14/5D Multiframe CCT Standard SW15/25 SW17/6G Channel Handler PA-2DCHAPA-2DCHA PIM 143 Face Layout of PA-2DCHA 2DCH Switch SW11 AT & T Bell Channel Mode Selection Network Side 144 LT Connector Leads Accommodation 1/2 NDA-24296 144 LT Connector Leads Accommodation 2/2 145 Connecting Route Diagram 1/2 145 Connecting Route Diagram 2/2 SW01 SW01-2, 3 Not used SW02 SW10 Isdn Terminal Line Circuit PA-ILCGPA-ILCG Mounting Condition 147 Face Layout of PA-ILCG ILC PWR4 LYR4PKT Not used Fixed to on Channel Packet Service Available Mode 148 LT Connector Lead Accommodation 149 Connecting Route Diagram NDA-24296 Switch Setting Sheet Isdn Line Circuit PA-4ILCHPA-4ILCH PIM 151 Face Layout of PA-4ILCH 4ILC Nope LPB OFF MBR OFFFixed SW11 Sealing Current is not supplied Data link mode for Layer 2 of line 152 LT Connector Leads Accommodation 153 Connecting Route Diagram LPB Mode PIM PA-8ILCE-A PA-8ILCE-APIM 155 Face Layout of PA-8ILCE-A ILC Lamp Name Color Description Circuit #7 Short Passive Connection OFF PAD Level Adjustment Switch Setting Standard Meaning See also Connecting Route Diagram. Figure 156 LT Connector Lead Accommodation 2/2 Point-to-Point MODE0 MODE1 Digital Announcement Trunk PA-4DATAPA-4DATA PIM BL3 BL4SW5 Be mixed assignedSW7 OFF SW6 OFFStart SW8 Mbrq OFF Mrcs160 LT Connector Lead Accommodation NDA-24296 SW6 Switch Setting DescriptionNDA-24296CHAPTER SW6 PIM SW7 Start SW1 SW2 SW3 SW4 SW5Mbreq PA-4DATB PA-4DATBPIM 162 Face Layout of PA-4DATB DAT Mbrq Recording/Playback Timer should JP0 Left Switch Setting Description ShapeRight 163 LT Connector Lead Accommodation NDA-24296 JP0 HOW to Record a MessageHOW to Play Back the Recorded Message Start Mbrq Mrcs SW1 SW2 SW3 SW4 SW5 SW6 Module Slot no Switch Name Switch ShapeSW7 JP0 TEL PIM Lpra LPM 165 Face Layout of PH-M16 Ltst Card Lamp Color Description Name SW0Misc Connector Accommodation 167 Connecting Route Diagram Onmb OFF AMP Pool Trunk PA-4AMPCPA-4AMPC PIM BL3 OFF 169 Face Layout of PA-4AMPC 4AMPSW00 When this card works as AGC SW03 SW04 Tie Line Trunk PA-8TLTRPA-8TLTR PIM BL7 OFF 171 Face Layout of PA-8TLTR TLT CardMB0 Make busy of the No circuit SW01 SW1 OFF Programmable PAD P1 Value 0 dB Programmable PAD P2 Value 0.5 dB SW25 P2 Values is total SW40 ~ 4 Apad Command Artd CommandLD/2W E&M Send Receive172 LT Connector Lead Accommodation 1/2 172 LT Connector Lead Accommodation 2/2 LD/DID 4W E&M ODT Cable ODT CABLE-A MB0-7 SW01 Recording / Paging Device Adapter PA-M87PIM ATT0 ~ ATT5 178 Face Layout of PA-M87 RECC/PGADPRecording/Paging start control at Attcon #0 by loop VR1 VR0179 REC/PGA Connector Leads 180 Connecting Route Diagram 1/4 180 Connecting Route Diagram 2/4 180 Connecting Route Diagram 3/4 180 Connecting Route Diagram 4/4 SW10 Primary Rate Interface Trunk PA-24PRTB-APA-24PRTB-A 182 Face Layout of PA-24PRTB-A 24PRT NDA-24296 Dope PERRKT AT&T #4/#5 ESS SW3 OFF Setting Table Digital PAD Setting Table for PA-24PRTB-A 183 LT Connector Lead Accommodation 184 Connecting Route Diagram SW5 Down PIM Mode SW0 SW1 SW2Digital Trunk Interface PA-24DTR DTIPA-24DTR DTI PIM 186 Face Layout of PA-24DTR DTI Red Lights in the case of input signal down PCM Loss 187 Available Locations for Loopback Testing Transformer at Middle Point Transmission Open SW10/4D Transmission Signal a Logic Negative Zero Code Suppression is provided SW13/6C Digital PAD Setting Table for PA-24DTR DTI 188 LT Connector Lead Accommodation 189 Connecting Route Diagram SW00/MB Down Digital Line Interface PA-24DTR DLIPA-24DTR DLI PIM 191 Face Layout of PA-24DTR DLI Lamp Name Color State 192 Available Locations for Loopback Testing Not to be sent out One Digit Dialing Valid RMT Alarm Sending To be sent out When setting this key, refer to Digital PAD Setting SW13/6C Main Signal All 1 Supervision Valid Digital PAD Setting Table for PA-24DTR DLI 193 LT Connector Lead Accommodation 194 Connecting Route Diagram Equalizer Setting This page is for your notes
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2400 ipx specifications

The NEC 2400 IPX is a robust and versatile business communication solution designed to meet the increasing demands of modern enterprises. It is a part of NEC's esteemed range of IP-based telephony systems, known for integrating sophisticated technology and user-friendly features.

One of the main characteristics of the NEC 2400 IPX system is its modularity. This flexibility allows organizations to scale their communication needs effectively. The system can be customized with various modules that cater to specific requirements, enabling businesses to add or remove functions as their operations evolve. This adaptability makes the NEC 2400 IPX ideal for small to medium-sized enterprises as well as large organizations.

The NEC 2400 IPX incorporates advanced VoIP technology, which facilitates seamless communication over the internet. This leads to reduced operational costs, as traditional phone lines are no longer a necessity. VoIP also enhances mobility, allowing employees to stay connected irrespective of their physical location. The system supports a wide range of endpoints, including digital, analog, and IP phones, facilitating a diverse range of user preferences.

One of the standout features of the NEC 2400 IPX is its user-friendly interface. The system supports advanced call management functionalities, including call forwarding, conferencing, and voicemail services. This user-centric design ensures that businesses can streamline their communications efficiently while providing an intuitive experience for end users.

In addition to its communication capabilities, the NEC 2400 IPX integrates with various business applications, enhancing productivity and collaboration. The system supports features like presence management and instant messaging, allowing for real-time communication among team members. This integration strengthens teamwork and fosters a more connected workplace.

Moreover, the NEC 2400 IPX is built with security in mind. The system employs various encryption technologies to safeguard communications, ensuring that sensitive information remains protected against unauthorized access. This feature is particularly crucial for organizations in sectors such as finance and healthcare, where data security is paramount.

In summary, the NEC 2400 IPX is a leading telecommunications solution that combines modularity, VoIP technology, user-friendly features, and robust security measures. Its ability to adapt to the changing needs of businesses makes it a preferred choice for organizations looking to enhance their communication infrastructure. As technology continues to evolve, the NEC 2400 IPX stands out as a reliable and future-ready choice for modern enterprises.