W/H,Unit SVCE (BI-42SD,BI-42SID,BI-48SD,BI-48SID)
BI-42SD/SID Use From Serial #4435000 to #4754300
            Starting With #4754300 See 7043439
            From #4341000 to #4435000 See 7040186
            From #4300000 to #4341000 See 7040029
            Prior to #4300000 See 7012698
BI-48SD/SID Use From Serial #4341000 to #4754300
            Starting With #4754300 See 7043439
            From #4300000 to #4341000 See 7040032
            Prior to #4300000 See 7012692