| SPECIFICATIONS |
3.SPECIFICATIONS
3.1.COMMON BCU AND CAL OPERATIONAL SPECIFICATIONS
3.1.1. EDACS System Interface
The BCU/CAL interfaces to EDACS via a full duplex port supporting
BCU/CAL Input Data
Each raw activity record (RAR) contains the following information:
1.Day and time of event accurate to ±0.1 second
2.Type of event (i.e., assignment or drop)
3.Call type (individual clear voice, group clear voice, individual digital voice, group digital voice, data, etc.)
4.Site number or console number
5.Channel number (to match assignments with drops)
6.Caller ID
7.Callee ID
8.Digitally dialed PSTN digits for outgoing interconnect calls
The dialed digits correspond to the digits sent by a radio to the interconnect system to initiate an interconnect call; dual tone
3.1.2. Throughput
The BCU/CAL's interface to the IMC is capable of receiving a peak data rate of 192 raw activity records (RARs) per second. A buffer stores incoming RARs at the peak rate of 192 RARs per second for a minimum of 300 seconds (5 minutes).
3.1.3. Hard Disk Interface
The BCU/CAL provides nonvolatile storage of the BCU/CAL operating software, CDRs, system configuration data, system defaults, and subscriber attributes. The hard disk provides concurrent support of call record processing and the operator interface.
3.1.4. Operator Interface
Most BCU/CAL operator functions are capable of being performed without impacting or reducing the capacity of the call processing functions below specified rates. Refer to the User Interface Manual,
3.2. BCU OPERATIONAL SPECIFICATIONS
This section outlines the specifications that are unique to the BCU personality.
3.2.1. Subscriber Attribute Database
Each system subscriber and each group defined on the system is assigned a record in the subscriber attribute database. This database supports a maximum of 16,383 individual subscribers and a maximum of 2048 groups.
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