Data connections, Branch circuit protection, Appendices – MGE UPS Systems AmpMeter PDU User Manual
Page 49
5. Appendices
301-0399-3 Rev B. - Page 49
Data Connections
RS-232 port
The AmpMeter PDU may be equipped standard with an RJ45 DTE RS-232c serial port. This connector may be
used for direct local access or from other serial devices such as a terminal server. An RJ45 crossover cable is
provided for connection to an RJ45 DCE serial port.
Pin
DTE Signal Name
Input/Output
1
Request to Send
RTS
Output
2
Data Terminal Ready DTR
Output
6
7 54321
8
3
Transmit Data
TD
Output
4 Signal
Ground
5
Signal Ground
6
Receive Data
RD
Input
7
Data Set Ready
DSR
Input
8
Clear to Send
CTS
Input
RJ45 to DB9F serial port adapter
An RJ45 to DB9F serial port adapter may be provided for use in conjunction with the RJ45 crossover cable to
connect to a PC DB9M DCE serial port. The adapter pinouts below reflect use of the adapter with the provided
RJ45 crossover cable.
Pin
DCE Signal Name
Input/Output
1
2 Receive
Data
RD Output
1
2
3
4
5
6
7
8
9
3 Transmit
Data TD
Input
4
Data Terminal Ready DTR
Input
5
Signal Ground
6
Data Set Ready
DSR
Output
7
Request to Send
RTS
Input
8
Clear to Send
CTS
Output
Branch Circuit Protection
Always disconnect the power supply cord before opening to avoid electrical shock.
Afin d’éviter les chocs électriques, débranchez le cable électrique avant d’ouvrir.
Immer Netzleitung auskuppeln vor den Aufmachen um elektrischen Schlag zu vermeiden.
Cabinet Distribution Units feature Branch Circuit protection on all outlets in the form of internal fuses. These
fuses meet the strict safety requirements of UL/CSA 60950-1 for Branch Circuit Protection.
Time-Delay Fuses – Class G
Amperes Bussman
Part
Number
20 SC-20
CooperBussman product data-sheet #1024