LBI-39224
3-146
channel at one CEC/IMC), or eight (8) CEC/IMCs in a StarGate
network may each contain up to a maximum of thirty-two (32)
conventional channels. In both of the preceding examples the highest
conventional channel in this configuration would actually be 256;
however, channel 256 cannot be used due to CEC/IMC call message
formats. The StarGate conventional channel configuration can be
spread over more CEC/IMCs by limiting the maximum number of
conventional channels per CEC/IMC. The maximum number of
conventional channels per CEC/IMC must be specified when installing
Enhanced StarGate (V4.0 or later) software. In a StarGate network,
the maximum number of conventional channels at each CEC/IMC
must be equal, i.e. all 64 or all 32 or all 16, etc. The allocation process
is described in Conventional Channel Allocation.
Conventional Channel Allocation
Each CEC/IMC in a StarGate network is assigned fixed conventional
channel allocation numbers based on the maximum number of
conventional channels allowed per CEC/IMC and the CEC/IMC
"switch assignment number" (sometimes referred to as "node number",
"node assignment number" or "device ID"). Both of these parameters
must be specified when installing the CEC/IMC Manager software.
This is accomplished using an off-line program, UF_CONV.EXE,
which is included with the CEC/IMC Manager software package. If
UF_CONV.EXE is not executed, the maximum conventional channels
per CEC/IMC defaults to 64.
UF_CONV.EXE must be executed if upgrading CEC/IMC
Manager software from V3.0 (or earlier). See Software
Release Notes SRN-1000 for details.
When the UF_CONV.EXE program is executed, it prompts the user for
the maximum number of conventional channels allowed per CEC/IMC
(default = 64) and the CEC/IMC switch assignment number (default =
33). It then converts all existing conventional channel allocation
numbers (1 – 64) to new numbers based upon the user-entered values.
As stated previously, the maximum number of conventional channels
must be equal at all CEC/IMCs in a StarGate network. Also, the
CEC/IMC switch assignment number set via UF_CONV.EXE must
NOTE
Содержание LBI-39224
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