Installation Manual
Item identication Chapter 1: Introduction and Fr ame Identication
Figure 1 -1 shows a UBS Macro BTS low -tier/low -capacity frame. The capacity of this
configuration is not expandable.
Figure 1 -1 UBS Macro B T S low -tier/low -capacit y fr ame (1000 mm r ack)
ti-cdma-05993.eps
IDRF (Integrated Duplexer and
RX Filter) Shelf
SSI (Site Span I/O); SSI 1
XMI (Transceiver Module Internal) Shelf
- One XMI; XMI 1 (800 MHz or 1.9 GHz
See Notes 2, 3)
- Up to 2 DMIs (Digital Module Internal)
just right of XMI 1
- DMI 1, top; optional DMI 2 or empty
housing, bottom
- IDRF (Integrated Duplexer and RX Filter)
Shelf; in right side of XMI shelf
PDU (+27 V DC Power Distribution Unit)
- One: +27 V DC XMI Power Connector
(PC) and 90A Circuit Breaker (CB)
- Up to 2: +27 V DC DMI PCs and 20A CBs
- One: +27 V DC SSI PC and 20A CB
- No +27 V DC
Accessory
PCs and CBs
PSM (Power Supply Module) Shelf #1
(See Notes 4,5,6)
- Up to 2 PSMs
- Empty PSM slot with filler panel
- PSM 1 through 3 (left-to-right)
NOTES:
1. Interconnect cabling not shown for clarity.
2. 800 MHz equipment shown; 1.9 GHz similar.
3. 800 MHz XMI is 86 mm wide. 1.9 GHz XMI is 106.3 mm wide.
4. PSM shelf is optional and used instead of +27 V DC power Input.
5. PSM shelf is either -48 V DC or AC.
6. Only -48 V DC PSMs can be used in -48 V DC PSM shelf. Only AC PSMs can be used in AC PSM shelf.
PSM Shelf #1
+27 V DC Power
Cabling
Equipment
Mounting Rack
IDRF (800 MHz or 1.9 GHz
See Note 2)
- Up to 3 IDRFs; one per sector
- IDRF sector 1 through sector 3
(top-to-bottom)
- Antenna RF I/O, front
- BTS RF I/O, rear
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PRELIMINARY A UG 2007