5. Appendices
301-0399-3 Rev A. - 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
67543218
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
12345
6789
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