User`s guide

Appendix A: Specifications
A-2 6E123-50 and 6E133-49 User’s Guide
A.4 INPUT/OUTPUT PORTS
6E123-50
6E133-49
A.5 COM PORT PINOUT ASSIGNMENTS
The COM port is a serial communications port that supports Local
Management or connection to a UPS.
The COM port has the following pin assignments:
ENET 1 through ENET 4 Ethernet (10BASE-T compliant) with
RJ21 type connectors.
Slots for optional Fast Ethernet
Interface Modules
(ports 5 and 6)
Slots accept three types of optional Fast
Ethernet Interface Modules: the
FE100-TX, FE100-FX and the
FE-100F3.
ENET 1 through ENET 4 Ethernet (10BASE-T compliant) with
RJ21 type connectors.
Slot for optional HSIM Slot accepts optional High Speed
Interface Module (HSIM).
Table A-1 COM Port Pin Assignments
Pin Signal Name Input/Output
1 Transmit Data (XMT) Output
2 Data Carrier Detect (DCD) Output
3 Data Set Ready (DSR) Input
4 Receive Data (RCV) Input
5 Signal Ground (GND) NA
6 Data Terminal Ready (DTR) Output
7 Request to Send (RTS) Input
8 Clear to Send (CTS) NA