In-Room Display Fiber Optic Converter Box Replacement

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	45 minutes	30 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard Screwdriver	1	-	-	-
Phillips Screwdriver	1	-	-	-
Pliers	1	-	-	-
Allen Wrench Set	1	-	-	-

Table 3. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
Fiber Optic Converter Box, OR	-	-	-	-
Converter Box with IRD, Black, OR	-	-	-	-
Converter Box with IRD, White	-	-	-	-

Table 4. Safety

Warning

ELECTROCUTION HAZARD!

HAZARDOUS VOLTAGES EXIST IN THE GOC WHEN ENERGIZED.

LOCKOUT/TAGOUT POWER TO THE GOC BEFORE CONTINUING. Because THE GOC SUPPORTS AN OPTIONAL UPS, CONFIRM SITE CONFIGURATION.

Table 5. Required conditions
Condition	Reference	Effectivity
Host computer and GOCAA must be powered off as described below.	-	-

Shut down any system applications that are still running.
Click Tools.
On the Service Desktop, click System Shutdown.
Confirm shutdown by clicking OK.

Wait for the system to indicate on the monitor that it is safe to power off the computer before proceeding. It usually takes about 90 seconds for this message to display. Monitor the screen and wait until the light turns yellow.

Verify that the power indicator on the Operator Workstation is off.
The host circuit breaker is located on the front of the PDU. Set the host circuit breaker to the DOWN position to disconnect power.

Figure 1. Location of PDU Host/PC Breakers

Figure 2. Host Breaker
Apply LOTO (see LOTO for the PGR PDU/Gradient Subsystem).

Note:
Take extra precaution if the site has installed the optional GOC UPS accessory.

Remove the screws that secure the left and right side panels of the GOC.

Figure 3. GOC Left Panel

Figure 4. GOC Right Panel
Disconnect the ground leads from both side panels.

Figure 5. Left Side Panel Ground Lead

Figure 6. Right Side Panel Ground Lead
Remove both GOC side panels and set aside.
Remove the strain relief plate from the input AC power cable.

Figure 7. Strain Relief Plate
Unplug the AC input cable from the GOC power distribution supply inlet connector.

Refer to Figure 8 for the box connector assignments and Figure 9 for box/cable harness location in GOC.

Disconnect run E3019 from J4 and the sensor cable from J5.
Disconnect the USB cable from J1.
Disconnect the fiber optic cable run P2026 from J3.
Disconnect the DVI-D cable from J2.
Disconnect the AC power cord from the fiber optic converter box.
Remove the fiber optic converter box by loosening the four M5 screws using the Phillips driver, and then remove the box.

Figure 8. Fiber Optic Converter Box Connections and Power

Figure 9. Mounting Location of Fiber Optic Converter Box in GOC

With the four M5 screws loose in their mounting holes, install the fiber optic converter box, and then secure the four M5 mounting screws using the Phillips driver.
Connect the AC power cord to the fiber optic converter box and set the power switch to ON. The device will not power up until the operator console power is turned back on at the end of this procedure.
Connect the DVI-D cable to J2.
Connect the fiber optic cable run P2026 to J3.
Connect the USB cable to J1.
Connect run E3019 to J4 and the sensor cable to J5.

Mate the AC input cable to the inlet connector on GOC power distribution supply.
Install the strain relief plate (see Figure 7) and secure it to hold the input AC power cable in place

Remove LOTO from the PGR/PDU host breaker and set the host breaker on the PDU to ON.
Reboot the host computer.
On the Common Service Desktop, select Diagnostics > Hardware > Magnet Room > In Room Display.
Run the In Room Display diagnostic.