Chapter 8 Installing a media bay module (MBM) 123BCM200/400 4.0 Installation and Maintenance GuideTable 33 shows the switch settings for each DS30 bus, and the resulting line assignments.DDIM switch settingsThe DDIM combines a DTM and a data module. The switch setting you choose determines theDS30 bus assigned to the DTM portion of the DDIM. The data module is automatically assignedthe next DS30 bus number.The DS30 bus you assign to the DDIM determines the line numbers of the T1 line connected to theDDIM. Table 34 shows the switch settings for each DS30 bus, and the resulting line assignments.Table 33 DTM switch settings (E1 and UK PRI)SelectDS30busEnter these switch settings ToassigntheselinesSelectDS30busEnter these switch settings Toassigntheselines1 2 3 4 5 6 1 2 3 4 5 62 on on on on on on 211-240 5 on on on on off off 121-1503 on on on on on off 181-210 6 on on on off on on 91-1204 on on on on off on 151-180 ***7 on on on off on off 61-90***If your system is configured with a 3/5 DS30 split, DS30 bus 7 is not available.Table 34 DDIM switch settingsSelectDS30busEnter these switchsettingsToassigntheselinesDatamoduleDS30busSelectDS30busEnter these switchsettingsToassigntheselinesDatamoduleDS30bus1 2 3 4 5 6 1 2 3 4 5 62 on on on on on on 211-234 3 5 on on on on off off 121-144 63 on on on on on off 181-204 4 6 on on on off on on 91-114 7*4 on on on on off on 151-174 5 7 *** If your system is configured with a 3/5 DS30 split, you cannot use DS30 bus 6 for the DDIM. When you use a 3/5split, DS30 bus 7 is not available for the data module portion of the DDIM.** You cannot use DS30 bus 7 for the DDIM. If you assign DS30 bus 7, there is no DS30 bus available for the datamodule portion of the DDIM.
