Table of Contents
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T1 CrossConnect Installation & Operation Manual
Version 2
2.4.2.2 Counter-Rotating Rings ............................................................................. 2-11
2.4.2.3 Unidirectional versus Counter-Rotating Rings ............................................... 2-13
2.4.2.4 Dual T1 Ring Configurations ..................................................................... 2-15
2.4.2.5 CrossConnect Servers in Ring Configurations ............................................... 2-15
2.4.2.6 Extra Traffic ........................................................................................... 2-15
2.5 CrossConnect T1 Product Capabilities ............................................... 2-15
2.6 CrossConnect Server Configurations ................................................. 2-16
2.6.1 DCS-9560 CrossConnect Server ............................................................. 2-16
2.6.2 DCS-9565 CrossConnect Server ............................................................. 2-17
Section 3 - Installation & Wiring ................................................... 3-1
3.1 Tools and Cables Required ................................................................ 3-1
3.2 Equipment Unpacking and Inspection ................................................. 3-1
3.3 CrossConnect System and Server Installation ...................................... 3-2
3.4 Wiring ............................................................................................ 3-3
3.4.1 T1 Circuit Wiring .................................................................................... 3-6
3.4.1.1 MA-216 and MA-255A T1 Port Assignments ................................................... 3-6
3.4.1.2 MA-255C T1 Port Assignments ..................................................................... 3-6
3.4.1.3 MA-216 to MA-255C Cable Pin Assignments .................................................. 3-7
3.4.2 External Timing Connector Wiring (Optional) .............................................. 3-7
3.4.2.1 MA-216 External Timing Connectors ............................................................ 3-7
3.4.2.2 MA-251A and MA-252A External Timing In Connectors .................................... 3-8
3.4.3 Remote Port Wiring (Optional) ................................................................. 3-8
3.4.3.1 MA-216 Remote Ports ................................................................................ 3-9
3.4.3.2 MA-251A and MA-252A Remote Port ........................................................... 3-10
3.4.3.3 MA-251A and MA-252A RS-485 Port .......................................................... 3-10
3.4.3.4 MA-251A/MA-252A Bias Resistor Settings ................................................... 3-10
3.4.4 External Contact/Status Port Wiring (Optional) .......................................... 3-12
3.4.4.1 External Contact/Status Port Inputs ........................................................... 3-13
3.4.4.2 External Contact/Status Port Outputs .......................................................... 3-13
3.4.4.3 MA-251A/MA-252A Map Polling Feature ...................................................... 3-14
3.4.5 Power and Alarm Connection Wiring ....................................................... 3-15
3.4.5.1 CrossConnect Power Requirements Determination ....................................... 3-15
3.4.5.2 Power Connections ................................................................................... 3-16
3.4.5.3 Power Connections for the DCS-9500 ......................................................... 3-18
3.4.5.4 Power Connections for the DCS-9530/9560/9565 ........................................ 3-18
3.4.5.5 Power Supply Indicators ........................................................................... 3-20
3.4.6 Channel Module Wiring ......................................................................... 3-20
3.5 Power .......................................................................................... 3-20
3.6 Certification .................................................................................. 3-21
Section 4 - Mapping Basics ........................................................... 4-1
4.1 Map Switching ................................................................................ 4-1
4.2 Time Slot Mapping Benefits ............................................................... 4-2
4.3 Time Slot Designations ..................................................................... 4-3
4.4 Loopback Configuration Mapping ........................................................ 4-4
4.5 Pass-through Configuration Mapping .................................................. 4-5
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