Nokia Solutions and Networks T5DX1 User Manual

68P64115A19

–

4

Mar 2003

1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x

3-13

High Stability Oscillator Expansion (HSOX)

S

Flat head screwdriver

Install the HSOX cable and card per instructions in Table 3-4.

Table 3-4: Installing the HSOX Cable and Card

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

LFR /

HSO

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