Troubleshooting
6-110 Manual # 42-02-7223
CARTOP LINK
TX+ iBox transmit, positive going serial communication stream from iBox to iLink.
Connects to iLink ICE-CTP Board terminal RX+. TX+ and TX- comprise a
differential communications pair. Please refer to “Installing iLink” on page 3-13.
TX- iBox transmit, negative going serial communication stream from iBox to iLink.
Connects to iLink ICE-CTP Board terminal RX-.
SHLD Shield connection for twisted-pair TX+/TX-
RX+ iBox receive, positive going serial communication stream from iLink to iBox.
Connects to iLink ICE-CTP board terminal TX+. RX+ and RX- comprise a
differential communications pair.
RX- iBox receive, negative going serial communication stream from iLink to iBox.
Connects to iLink ICE-CTP board terminal TX-.
SHLD Shield connection for twisted-pair RX+/RX-
CAR
DZ Door Zone Sensor input. Activated = 110 VDC.
ULM Up Leveling Marker Sensor input. Activated = 110 VDC.
DLM Down Leveling Marker Sensor input. Activated = 110 VDC.
INCT Cartop Inspection Station INSP/AUTO Switch input. Activated = 110 VDC.
ICTU Cartop Inspection Station UP Button input (includes SAF button). Activated =
110 VDC.
ICTD Cartop Inspection Station DN Button input (includes SAF button). Activated =
110 VDC.
INCP COP Inspection Station INSP/AUTO Switch input. Activated = 110 VDC.
ICPU COP Inspection Station UP Button input. Activated = 110 VDC.
ICPD COP Inspection Station DN Button input. Activated = 110 VDC.
INA Car Panel (Hoistway) Access Enable switch input. 0 VDC active signal level. Off
= 110 VDC.
ESC Car Panel Emergency Stop switch input. 0 VDC active signal level stops car. Off
= 110 VDC.
DCL Door Close Limit input. Door fully closed, input inactive, 0 VAC. Door not closed
signal level, 120 VAC.
DOL Door Open Limit input. Door fully open, input inactive, 0 VAC. Door not open
signal level, 120 VAC.
DPM Door Position Monitor input. Door closed, input inactive, 120 VAC. Door not
closed, 0 VAC.
Table 6.26 iBox Field Connections on ICE-SAF Board
Source Connection Signal Description