Appendix / Service Details
128 DOC-M88-EXX268_V1_12.2016
Figure10.42: Selecting SerialLine/Full TTYS0/1 for SerialConnector
Physically, the serial lines are connected to X1 (via a Z-cable, A27D25) or X2 (via a Y-ca-
ble, A27D26) of the Universal IO-Board (see figure below) or to the RS232 connectors on
the slot CPU connected to the 9pin Sub-D on top of the slot CPU, see figure Connecting
serial lines to the CPU board [}130].