ADTRAN D4 U-BR1TE V Installation And Maintenance Manual

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ADTRAN D4 U-BR1TE V Installation And Maintenance Manual Manual pdf 3 page image

3Section 61104020L4-5, Issue 361104020L4-5CIn SLC-96 Mode I with D1D counting channel bank,the time slots are allocated as shown in Figure 3 withtwo time slots per physical channel slot.The unit uses two time slots in one physical slot and atime slot from an adjacent slot when configured for2B+D operation. When selected for Slot 1, 4, 7, or 10operation, the unit occupies the two time slotsassociated with the physical slot in which it residesand the upper time slot of the next adjacent physicalslot.When selected for Slot 2, 5, 8, or 11 operation, the unitoccupies the lower time slot of the occupied physicalslot and the adjacent two time slots of the nextphysical slot to the right. When using the Slot 2, 5, 8,11 option, the physical slot to the right must be leftvacant. A unit selected for one or two time slots,B1+D, B2+D, B1, B2, 2B, and D only, occupies onlythe two time slots associated with the physical slotused. In this configuration, option the unit for Slot 1,4, 7, or 10.Figure 2. Backplane Pin Assignments282930313233343536373839404142434445464748495051525354123456789101112131415161718192021222324252627FRM GND-12VGND+12VGNDTWDTSPTSQRNPCNTDCLKNGATERSPRNDIS-48RNSEIZET*MCLK+5VINCLKTDATARCLKRWDRSQ-48VR*GND*2B1Q SignalTerminalsFigure 3. Time Slot Assignments for 2B+D Service in SLC Mode I w/ D1D CountingPS1 PS2 PS3 PS4 PS5 PS6 PS7 PS8 PS9 PS10 PS11 PS12UTSC1LTSUTS*LTSUTSC2LTSUTS =C1 =C2 =upper time slotphysical location of U-BR1TEoptioned as "slots 1, 4, 7, 10"physical location of U-BR1TEoptioned as "slots 2, 5, 8, 11"LTS =PS =* =lower time slotphysical slot(1 physical slot consists of 2 time slots)Must be empty - time slots are being usedby U-BR1TE card in C2C1 C2 C1 C2 C1 C2UnoccupiedUnoccupiedUnoccupiedNOTE: Unoccupied slots should have blank panels installed to prevent inadvertant use.