User's Manual

Table Of Contents
48 Universal Metering Transponder for kV2c™ Meter User Guide
Glossary
Meter Shop Test Tool (MSTT)
A software product developed by DCSI that performs troubleshooting and testing of meters.
non-volatile data
Data that is preserved even when the electrical power is off.
phase
The current supply conductors, other than the neutral conductor of a polyphase circuit, that
usually carry the designation phase A, phase B, or phase C.
Portable RCE Test Unit (PRTU)
Portable unit for testing a TWACS-enabled device at a customer site. The PRTU, used in
conjunction with a laptop running Meter Shop Test Tool software, generates and decodes
TWACS signals for communication with a TWACS-enabled device.
pulse accumulation
A device that accepts and stores pulses
registers
Devices, such as transponders, located at a consumer's premises that collect and transmit
register data through TWACS.
Remote Communications Equipment (RCE)
The base of the TWACS hierarchy. RCEs consist of the DCSI family of transponder products.
RCEs are located at customer sites and interface TWACS communication with various end
devices such as meters, water heaters, and air conditioning units to enable automatic meter
reading (AMR), load management, or other functions.
rollover
An event, when the meter reading changes from its maximum value to zero.
Substation Communications Equipment (SCE)
The middle tier of the TWACS hierarchy, consisting of all TWACS substation equipment
(CRU, OMU, IPU, and MTU). The SCE transmits and receives data between the Master
Station and RCE.
synchronization
A means of ensuring that both transmitting and receiving units are operating together.
tampering
To alter improperly