If your Compact 984 PLC has a RJ45 comm port you need to use the XBTZ9711 + XBTZG919.
If your Compact 984 PLC has a DB9 comm port you need to use the XBTZ9710 + XBTZG919 adapter.
The Compact PLC series 258/265/275/285 have a RJ45 comm port. All others Compact have a DB9 comm port.
Legacy KB System (APS) Data: RESL196001 V1.0, Originally authored by MiMe on 12/31/2008, Last Edited by MiMe on 12/31/2008
Related ranges: Magelis XBT G