ASE2000 V2 Communication Test Set User Manual 83
13. ASE2000 Cabling
This section describes various cabling conîš¿gurations used to connect the ASE2000 for the
di󰀨erent operational modes (Master Simulation, RTU/IED Simulation, Monitor Mode), the di󰀨erent
hardware models (BCOM-USB, COM) and di󰀨erent connection types (Modem, RS-232). Cabling
for network based communication is discussed in a separate section titled ASE2000 Network
Protocol Use.
• Master simulation: In this mode, ASE2000 simulates the primary station (Master), allowing
you to construct and transmit requests to one or more secondary stations (RTU/IED).
• RTU simulation: In this mode, ASE2000 simulates one or more secondary stations (RTU/
IED), allowing you to construct responses or unsolicited messages and transmit them to the
primary station.
• Monitor: In this mode, ASE2000 monitors the communication line connecting the primary
station and one or more secondary stations and displays the messages exchanged between
them.
For the three modes of operation, connections can be made at the RS-232 level, at the Telco
level using ASE supplied or other modems, or at the network level for network based protocols.
13.1. RS-232 Connections
The following gures illustrate di󰀨erent cabling congurations for connecting the ASE2000 Test
Set equipment at the RS-232 level. The ASE Dual-Channel RS-232 PCMCIA I/O card is used in
the illustrations but the same principles apply to any RS-232 I/O device.
13.2. Master Simulation Mode – RS-232
RTU
Null Modem Adapter
ASE2000 Test Set
BCOM-
USB
RS-232 Cable
USB Cable
13
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