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3000 SERIES SWITCH
2-2
2.2 ELEMENTS OF THE SWITCH
The Switch is a rack of modules. The rack may
contain the following modules: (Table 2-1).
2.3 SWITCH MODULES (ELEMENTS)
The Switch is constructed of different modules
that interface from the Switch to external devices. The
modules are:
• Channel Interface Module (CIM), to the Multi-Net
or LTR System.
• Conventional Channel Module (CCM), to a
Conventional Channel, channel side.
• Dispatch Interface Module (DIM), to the Dispatch
Consoles.
• Telephone Interface Module (TIM), to the PSTN or
a PABX.
• System Network Module (SNM), to other SNM,
Switches.
• Network Interface Module (NetNIM), to the Call
Processor.
• Dispatch Channel Module (DCM), to the Conven-
tional Channel, network side.
• Voter Diagnostics Module (VDM), to the Voter
system.
• Power Termination Module (PTM), provides fusing
of power and termination for a shelf.
• Intelligent Dispatch Module (IDM), to the Tracer
Series Dispatch Consoles.
• Logging Encoder Module (LEM), interface to a
logging recorder.
• Multi-Net Acquisition Module (MAM), interface
from the Switch to the VR-CM50 CRT Consoles for
Tone Paging.
• Multi-Net Console Module (MCM), to VRCM-50
CRT Consoles.
• Conventional Patch Module (CPM), to dynamically
patch a single conventional channel to a single
trunked group.
• Wide Area Module (WAM), to other WAMs,
Switches.
Table 2-1 SWITCH MODULES
NetNIM Network Interface Module
CIM Channel Interface Module
CCM Conventional Channel Module
DCM Dispatch Channel Module
DIM Dispatch Interface Module
IDM Intelligent Dispatch Module
SNM System Network Module
TIM Telephone Interface Module
VDM Voter Diagnostics Module
PTM Power Termination Module
VTM Voice Tone Module
LEM Logging Encoder Module
MAM Multi-Net Acquisition Module
MCM Multi-Net Console Module
CPM Conventional Patch Module
WAM Wide Area Module