![background image](http://html1.mh-extra.com/html/ibm/thinkpad-t21/thinkpad-t21_hardware-maintenance-manual_4135468147.webp)
Rear view
1
Security keyhole
2
TV-out connector
3
Serial connector
4
Parallel connector
5
External-monitor connector
6
Modem connector
7
Ethernet connector
8
Power jack
9
Universal serial bus (USB) connector
Note: T23 series have two USB connectors.
10
External-input-device connector
1
10
9
8
7
6
5
4
3
2
Locations
ThinkPad T20, T21, T22 and T23 series
141
Summary of Contents for ThinkPad T21
Page 4: ...iv ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 44: ...Checkout guide 38 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 83: ...9 8 7 7 8 9 10 9 continued Removing and replacing a FRU ThinkPad T20 T21 T22 and T23 series 77...
Page 132: ...6 5 4 7 5 3 continued Removing and replacing a FRU 126 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 181: ...Notices ThinkPad T20 T21 T22 and T23 series 175...
Page 182: ...Part Number 62P9631 1P P N 62P9631...