_ DEC-O-LOG for VT220 _ DOL, VT220-I001, VT220 TERMINAL DEC 85 FIELD EFFECTIVITY: This revision provides for the replacement of the Line Filter assembly on VT220 Terminals operating at Line Voltages of 220 Volts and above with P/N 70-22659-01. PROBLEM: The VT220 fails to communicate with the Host. The cause is a failure of the Host Interface Logic. QUICK CHECK: After removing the cover from the VT220, check to see that P/N 70-22659-01 is written on the end of the Line Filter. FCO KIT ORDERING: EQ-01376-01: FCO Parts FA-04658-01: FCO only