Chapter 10 Wiring the modules 135Installation and Maintenance GuideConnecting media bay modules to Service ProvidersTo connect DTM, CTM, CTM8, 4X16, or BRI media bay modules to the network, follow thesesteps:1 On the front of the module, locate the RJ48C socket (DTM), RJ45 sockets (BRI), or theRJ11 sockets (CTM and 4X16 modules).2 Wire one end of the cable to the telco demarcation blocks of the building.• Figure 53 shows the wiring pinouts for a DTM to connect to a service provider.Figure 53 DTM RJ48C wiring array• Figure 54 shows the wiring pinout for a CTM, a CTM8, or the CTM jacks on a 4X16module, to connect to the service provider.All the modules have an auxiliary jack (the CTM8 has two). Do not attempt to plug digitalequipment into this jack.Figure 54 CTM RJ11 wiring arrayWarning: If you are using a service provider bus service unit (CSU), you must disable theBusiness Communications Manager system internal CSU using Business CommunicationsManager Unified Manager. For more information, refer to the Business CommunicationsManager Programming Operations Guide.1 2 3 4 5 6 7 8DTM connectorTo network To plugReceive fromnetwork1- Rring2 - Rtip3 - RshieldTransmit to network 4-Tring5-Ttip6-TshieldRJ48C jack6 5 4 3 2 1CTMconnectorRJ11 socketsAuxiliary jackPin #/connection3- Ring4 - TipThe CTM 8 has eight RJ11 jacks, including twoauxiliary jacks.The 4X16 media bay module has four RJ11 jacks.
