User's Manual

High Stability Oscillator Expansion (HSOX)
68P64115A19–4
Mar 2003
1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x
CONTROLLED INTRODUCTION
3-13
High Stability Oscillator Expansion (HSOX)
Configuration
High Stability Oscillator Expansion (HSOX)
Tools Required
S Flat head screwdriver
HSO Expansion Procedure
Install the HSOX cable and card per instructions in Table 3-4.
Table 3-4: Installing the HSOX Cable and Card
Step Action
1 Disconnect the LFR antenna cable from the HSO/LFR connector on the Starter Frame I/O plate, if
necessary.
2 Install the HSO expansion cable (9-pin D-sub “Y” ribbon cable). Plug connector “B” of the HSO
expansion cable (see Figure 3-8) into the Starter Frame HSO/LFR input/output port on the I/O plate
(see Figure 2-1).
3 Fasten the cable connector retention screws to 4–6 in-lb (0.4 – 0.7 N-m) using the flat head
screwdriver.
4 If an LFR antenna is used, connect the LFR antenna cable to connector “C” (see Figure 3-8) of the
HSO expansion cable.
5 Plug connector “A” of the HSO expansion cable (see Figure 3-8) into the Expansion Frame HSO/LFR
input/output port on the I/O plate (see Figure 2-2).
6 Fasten the cable connector retention screws to 4–6 in-lbs (0.4 – 0.7 N-m) using the flat head
screwdriver.
7 Attach a static wrist strap to your wrist and to the ESD plug on the BTS.
8 Install the HSO expansion card into the appropriate HSO/LFR slot. Latch the top and bottom latches
at the same time to properly seat the card.
Figure 3-8: HSOX Cable (3086458H01) for Expansion Frame
LFR
CONNECTOR
RETENTION
SCREW
CONN A
CONN B
CONN C
LFR /
HSO
STARTER FRAME
I/O PLATE
LFR /
HSO
EXPANSION
FRAME
TO LFR
ANTENNA
ti-CDMA-WP-00029-v01-ildoc-ftw
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