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DOS OPERATING SYSTEM – PROCOMM
WINDOWS 3.1 - TERMINAL or a similar 16 bit application program commonly available.
WINDOWS 95,98, or NT – Hyperterminal or similar 32 bit application programs commonly available.
Such programs are available to be configured for handshake control, no handshake, XON/XOFF control.
A variety of cables are illustrated for connection of a device to the modem for AT terminal command
configuration, or device operation connectivity.
Knowledge of the RS232 port design is important when interconnecting a modem and an IED. Also if
configuration software is required to communicate and configure the device through the com port,
knowledge of the software's requirement to control the RTS/CTS, CD, DSR, or DTR RS232 lines must be
known. Table 1 lists the variety of ABB products and the emulation of each of the ports and applicability
of cable design.
Table 1. Product Cable Guidelines for Connection to a Modem
Product
DPU2000
(Front and Back Ports)
DPU2000R
(Front and Back Ports)
TPU2000
(Front and Back Ports)
TPU2000R
(Front and Back Ports)
GPU2000R
(Front and Back Ports)
PONI R
REL512 Front Port
REL512 Rear Port
(Serial Port 1)
REL512 Network Port
(DNP 3.0 Card)
RCP Software
ECP Software
Or
WinECP Software
PONI M COMSET
Software
** PONI – R Card does not support DTR/DSR HANDSHAKE LINES
MODEM COMMUNICATION TO ABB RELAYS
RS232 Port
RS232
Emulation
9 Pin Female
DTE
9 Pin Female
DTE
9 Pin Female
DTE
9 Pin Female
DTE
9 Pin Female
DTE
9 Pin Male
DTE
9 Pin Female
DCE
9 Pin Male
DTE
9 Pin Female
DTE
IBM "XT"
Usually
25 Pin Female
DTE
IBM Compat.
Hardware
9 Pin Male
Dependent
IBM "XT"
Usually
25 Pin Female
DTE
IBM Compat.
Hardware
9 Pin Male
Dependent
IBM "XT"
Usually
25 Pin Female
DTE
IBM Compat.
Hardware
9 Pin Male
Dependent
Page 6 of 47
CTS/RTS –
Notes for Modem
DSR/DTR*
Connection
Support
NO
Use Figure 6 Cable
NO*
NO
Use Figure 6 Cable
NO*
NO
Use Figure 6 Cable
NO*
NO
Use Figure 6 Cable
NO*
NO
Use Figure 6 Cable
NO*
YES
Use Figure 7 or 8
NO*
Cables dependent on
handshake options.
NO
Use Figure 9 Cable
NO*
NO
Use Figure 12 Cable
NO
(Modem Handshake
options disabled).
YES**
Use Figures 10 or 11
NO*
Cable dependent on
handshake options.
NO
Sample cables are
NO*
illustrated in Figures 12
and 13.
NO
Sample cables are
NO*
illustrated in Figures 12
and 13.
YES
Sample cables are
NO*
illustrated in Figures 12
and 13.
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