SDCB Fiber Optic Transceiver Replacement

Prerequisites

Table 2. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
Fiber Optic Transceiver note: Fiber Optic Transceiver is sourced from multiple suppliers but they are fully compatible.	1	-	5183329-2	-

Table 3. Safety

Follow ALL required safety and PPE procedures customary for your organization, when working on this product.

Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to ground.

Overview

This procedure describes and illustrates the steps necessary to replace the Fiber Optic Transceiver in SDCB Board Assembly.

Remove gantry right side cover.

Refer to Replacement → Gantry → Enclosure → (Cover Removal Procedures).
Stop the rotor of X-ray tube in case of Liquid Bearing Tube before HVDC off. Refer to Liquid Bearing Tube Rotor stop procedure for details.
Turn OFF the Axial Drive and HVDC switches on the gantry’s Service Switch Panel.
Position the detector at 3 o'clock.

The Fiber Optic Transceiver is static sensitive. Follow ALL Electro-Static Discharge procedures. Always use ESD Wrist Strap and grounding cords.

Remove the bracket of the optical fiber cable, and disconnect the optical cables from SDCB.

note:
There is no need to cut a tie-wrap on the bracket.

Figure 1. Optical Fiber Cable
Visually check the optical output from SDCB Fiber Optic Transceiver to identify the defective part.

Figure 2. Check Fiber Optic Transceiver
Turn OFF the 120VAC switch on the gantry’s Service Switch Panel.
Remove the defective Fiber Optic Transceiver from the SDCB Board Assembly.

Figure 3. Fiber Optic Transceiver Removal
Install new Fiber Optic Transceiver to the SDCB Board Assembly.

Figure 4. Fiber Optic Transceiver Installation
Turn ON the 120VAC switch on the gantry’s Service Switch Panel.
Confirm that the optical output from SDCB Fiber Optic Transceiver is normal.
Connect the optical cables to SDCB Fiber Optic Transceiver and install the bracket of the optical fiber cable (Torque: 7.9Nm).

Perform a Scan Data Path test to ensure system operation.