Manual

CCU-2 Hardware Reference
CTI Products, Inc.
68-11843-100
5
TABLE OF CONTENTS
1. INTRODUCTION................................................................................................................7
1.1 R EFERENCE D OCUMENTS ........................................................................................................7
2. SPECIFICATIONS..............................................................................................................8
3. INPUTS & OUTPUTS.........................................................................................................9
4. THEORY OF OPERATION ............................................................................................10
4.1 L ATCH A CTION .....................................................................................................................10
4.2 R EDUNDANT P ATH A PPLICATIONS ........................................................................................10
4.3 LED S ....................................................................................................................................11
4.3.1 Input LEDs ....................................................................................................................11
4.3.2 Output LEDs..................................................................................................................11
4.3.3 PWR, ERR, ACT LEDs..................................................................................................11
5. OPTION SWITCHES & JUMPERS ...............................................................................12
5.1 G ROUP & M ODULE S WITCHES ..............................................................................................12
5.2 O PTION S WITCHES ................................................................................................................12
5.3 I NITIALIZING THE R ELAYS .....................................................................................................13
5.3.1 Initializing the Relays with the Front Panel Switches ..................................................13
5.4 J UMPER O PTIONS ..................................................................................................................14
6. CONNECTORS .................................................................................................................15
6.1 J1 50-P IN C ONNECTOR P INOUT .............................................................................................16
7. MOUNTING.......................................................................................................................17
8. OPERATION IN AN MCN NETWORK ........................................................................18
9. TROUBLESHOOTING ....................................................................................................19