JUNOS Internet Software Network Operations Guide: Hardware
198 !
Replacing the Craft Interface on page 209
1. Replace the M20 Router Craft Interface on page 209 1. Attach an ESD wrist strap to your wrist.
2. Unscrew the thumbscrews on the left and right sides of the
craft interface.
3. Flip the ends of the two extractor clips towards the outside
edges of the router.
4. Grasp both sides of the craft interface and slide it out of the
chassis.
2. Replace the M40 Router Craft Interface on page 209 The craft interface is attached to the lower impeller tray.
1. Attach an ESD wrist strap to your wrist.
2. Unscrew the three screws at the bottom edge of the lower
impeller tray.
3. Grasp the sides of the lower impeller tray, and slide it out of
the chassis.
3. Replace the M40e and M160 Router Craft Interface on
page 210
The craft interface is attached to the upper impeller assembly
(front top blower).
1. Attach an ESD wrist strap to your wrist.
2. Undo the captive screws at the corners of the craft interface.
3. Grasp the craft interface and pull it out of the chassis.
4. Replace the M320 Router Craft Interface on page 211 The craft interface is located on the front of the chassis above
the FPC card cage.
5. Replace the T320 Router and T640 Routing Node Craft
Interface on page 212
The craft interface is located on the front of the chassis above
the FPC card cage.
Locating the Craft Interface Serial Number ID Label on page 213
1. Locate the M20 Router Craft Interface Serial Number ID
Label on page 213
Remove the craft interface and look for the serial number ID
label on the back of the unit.
2. Locate the M40 Router Craft Interface Serial Number ID
Label on page 214
Remove the craft interface and look for the serial number ID
label on the back of the unit.
3. Locate the M40e and M160 Router Craft Interface Serial
Number ID Label on page 214
Remove the craft interface and look for the serial number ID
label on the back of the unit.
4. Locate the M320 Router Craft Interface Serial Number ID
Label on page 215
Remove the craft interface and look for the serial number ID
on the back of the unit, behind the alarm LEDs.
5. Locate the T320 Router and T640 Routing Node Craft
Interface Serial Number ID Label on page 215
Remove the craft interface and look for the serial number ID
label on the back of the unit.
Returning the Craft Interface on page 215
See “Replacing a Failed Component” on page 122, or follow
the procedure in the appropriate router hardware guide.
Monitor Craft Interface Tasks Command or Action
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