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Appendix A. Accessory unit
You should order accessory units from an IBM sales representative or your dealer.

Accessory units

Item number Name Content Quantity
3891 Key (Single) Key (Single)
Key cap (Single)
Key rubber ring 50 g
10 sets
10 sets
10 sets
3892 Key (Double) Key (Double)
Key cap (Double)
Key black rubber ring 50 g
Key brown rubber ring 20 g
Key guide
10 sets
10 sets
10 sets
10 sets
10 sets
3893 Key (Quadruple) Key (Quadruple)
Key cap (Quadruple)
Key black rubber ring 50 g
Key guide
10 sets
10 sets
20 sets
20 sets
3894 Key cover (Single) Key cover (Single) 10 sets
3895 Key cover (1x5) Key cover (1x5) 5 sets
3896 Mode key Manager key
Operator key
2 pieces
2 pieces
3897 H/W Service Kit MSR Cleaning Card
JIS-I/II Test Card
1 Piece
1 Piece
3325 KBD SIO Cable-Short 0.48m 1 Piece
3326 KBD SIO Cable-Long 3.8m 1 Piece
3327 KBD SIO Cable-Medium 1.8m 1 Piece
3290 KBD USB Cable-Short 0.5m 1 Piece
3285 KBD USB Cable-Long 3.8m 1 Piece
Appendix B. Field replaceable units 31