NEC Xen Master System Hardware Manual page 137

System Hardware Manual
3.5.5 Connectors
The following connectors are located on the MIFM-U13
ETU.
✆
CN1
✆
CN2
✆
CN3
✆
CN4, CN5
✆
IC6
SMDR and PC Programming connections are made via
the COM ports on the KSU.
✆
COM1
✆
COM2
Both COM ports are standard female RS-232C DCE ports.
A straight cable is required.
When an external modem is used, connect the modem to
COM1 port via the modem cable adapter. A straight RS-
232C cable is required.
Connects to the Backboard
Connects to the Backboard
Connects the ETU backup battery. It
connects the battery
installation, and disconnects
battery when storing the ETU.
Connectors for the optional MIF-
Modem (MDM-U13 Unit).
Socket for the optional KMM(XXX)UA
or KML(XXX)UA Units.
PC/LCR Programming
SMDR
May 2001
during
the
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