Maintenance Manual

CANAM TECHNOLOGY, INC. (CTI)
MARK-IV VHF NARROWBAND SIGNAL BOOSTER
OPERATIONS & MAINTENANCE (O&M) MANUAL
Page 6 of 37
Rev0 May/2011
Section B. GLOSSARY
AC: Alternate Current.
AGC: Automatic Gain Control, typically used on narrowband channel
filters.
DL: Downlink. Transmission link from the base station to the mobile
station.
DSP: Digital Signal Processing/Processor
ECM: Embedded Control Module (also named as M4-ECM)
GUI: Graphical User Interface
iALC: Input Automatic Level Control (Input broadband limiter).
MCPA: Multi-Carrier High-Power Amplifier
PSU: Power Supply Unit
Relay: Electromechanical switch. The system uses Form-C (SPDT) relays
for external alarms
o COM: Common contact or port
o NC: Normally-Closed contact or port
o NO: Normally-Open contact or port
RF: Radio Frequency
Rx: Receiver
SNMP: Simple Network Management Protocol.
Tx: Transmitter
UL: Uplink. Transmission link from the mobile station to the base station.