NEC NEAX2000 IVS2 PLO

CHAPTER 1 GENERAL INFORMATION

System Configuration

NEAX2000 IVS2 Q-SIG System Manual

ND-70923 (E), Issue 1.0 Page 9

PLO

The Phase Locked Oscillator (PLO) equipped on the MP card is responsible to synchronize the

system to Q-SIG clocks.

The PLO generates the clock signals according to the source clocks received from network. The

source clock signals are extracted at DTI cards and supplied to the PLO. Two clock routes are

available; one is the Route 0 to receive clock signals fr om DTI0, and the other is a standb y Route

1 (DTI1) to receive clock signals when no clock signals appear on the Route 0. When clock

signals come from neither the Route 0 nor the Route 1, the PLO keeps generating the clock

signals with the frequency of previo us source clock. The PLO can receiv e different frequency of

source clocks from the Route 0 and Route 1.

Figure 1-6 shows an example of clock supply route.

Figure 1-6 Clock Supply Route Configuration

PBX

TDSW

DTI1

PLO

NETWORK

DTI0

: CLOCK SIGNAL SUPPLY R OUTE 0

: CLOCK SIGNAL SUPPLY R OUTE 1

Q-SIG

NOTE: DTI0 and DTI1 must be mounted in PIM0.

NOTE

Contents

Main Page NEAX2000 IVS Q-SIG System Manual ND-70923 (E) NEAX2000 IVS Q-SIG System Manual TABLE OF CONTENTS LIST OF FIGURES LIST OF TABLES INTRODUCTION PURPOSE OUTLINE OF THIS MANUAL REFERENCE MANUALS Page Page 4 System Outline SYSTEM OUTLINE Summary Figure 1-1 System Outline of Q-SIG NOTE: Conforming to Q921-a (PBX-PBX Interface) Physical Interface 30DTI Figure 1-2 Physical Interface Figure 1-3 Physical Interface Physical Interface 24DTI Page 6 Interworking with Other Network Figure 1-4 Interworking with Other Network NOTE: Interworking between Q-SIG and CCIS is not available. System Configuration SYSTEM CONFIGURATION Figure 1-5 shows the system configuration of the Q-SIG system. CLOCK Figure 1-5 System Configuration of Q-SIG 30DTI DCH 24DTI DCH PLO Figure 1-6 Clock Supply Route Configuration CARD NAME AND FUNCTION Table 1-1 Q-SIG Card Name and Function CARD NAME FUNCTIONAL NAME FUNCTION SYSTEM CAPACITY Table 1-2 System Capacity for Q-SIG DESCRIPTION 24DTI 30DTI Page 12 System conditions SYSTEM CONDITIONS Time Slot Assignment Condition Figure 1-7 Accommodation of DTI/DCH/ICH/BRT/PRT into TDSW Time Slot Allocation for DTI/DCH Card Figure 1-8 Time Slot Allocation for DTI SERVICE FEATURES Connected Destination Indication Figure 1-9 Connected Destination Indication Page Transit Counter Relaying Figure 1-10 Transit Counter Page PRECAUTIONS STATIC ELECTRICITY GUARD Figure 2-1 Static Electricity Guard (1 of 2) Figure 2-1 Static Electricity Guard (2 of 2) WHEN MAKING A SWITCH SETTING ON A CIRCUIT CARD ATTENTION Caution REQUIRED EQUIPMENT Table 2-1 Required Equipment for Q-SIG EQUIPMENT DESCRIPTION QUANTITY REMARKS INSTALLATION PROCEDURE Figure 2-2 Installation Procedure for Q-SIG Mounting DTI and DCH Card Mounting CONN Card Page DTI Cable Connection via MDF Figure 2-3 Cable Connection via MDF Figure 2-4 Location of the AP Slots and the LTC Connectors for DTI Page 28 Figure 2-5 Example of MDF Cross Connection for DTI DTI Cable Connection via CONN Card Figure 2-6 Cable Connection via the CONN Card Page 30 Figure 2-7 Example of Coaxial Cable Connection Page HOW TO READ THIS CHAPTER DTI ASSIGNMENT Page Page Page DCH ASSIGNMENT TANDEM CONNECTION ASSIGNMENT To provide Tandem Connection (Tie Line to Q-SIG, Q-SIG to Tie Line), do the following programming. CONNECTED DESTINATION INDICATION ASSIGNMENT Page HOW TO READ THIS CHAPTER MOUNTING LOCATION OF CIRCUIT CARD Figure 4-1 Mounting Location of Circuit Card LIST OF REQUIRED CIRCUIT CARD Table 4-1 List of Required Circuit Card PN-CP14 (MP) Caution Page Page Page Page 50 PN-30DTC-A (DTI) Page Page Page Page Page Page 56 PN-24DTA-C (DTI) Locations of Lamps, Switches, and Connectors Page Page Page Page Page PN-SC01 (DCH) Page Page PZ-M542 (CONN) Lamp Indications This card has no lamps. Page PZ-M557 (CONN) Lamp Indications This card has no lamps.