The Honeywell VT-SERCBL is a plug-in serial cable designed to reduce wiring and troubleshooting time for Turbo Series control panels. Also known as -Honeywell Intrusion VT-SERCBL CNNCTR CABLE F/ TURBO - VTSERCBL ​The Honeywell Ademco VT-SERCBL Serial Cable Adapter is a plug-in accessory that makes wiring and troubleshooting easier for Honeywell VISTA TURBO Series Panels. These include the VISTA-128BPT and the VISTA-250BPT Systems. You can connect the panel to a PC or laptop for compass programming.