GQ-4300D Series 2M Datacom Transmission Analyzers can be used to test the digital channels with 2Mbit/s interfaces and with V.24/V.28/RS232, V.35, V.36, RS449, X.21, RS485, EIA530, EIA530A, and equidirectional G.703 CO 64kbit/s interfaces.
Major Features
LCD large-screen display, 320*240 lattice, backlight, LED indicator
Hand held, auto configuration
Multi-task operation at one time
Store 20 test results and 9 test configurations, with power-off memories
PC operation, store, analysis, print
Programmable timer
Alarm and histogram analysis
Software updating
Major Functions For 2Mbit/s:
Service-interrupted error testing
Online error testing
Framed and unframed signals generation and reception
2Mbit/s unframed error performance testing
2Mbit/s framed N×64kbit/s channel error testing
Bit error, coding error, frame error, CRC error and E bit error testing
Signal loss alarm, AIS alarm, framed remote alarm, multi-framed remote alarm, out-of-frame, and pattern loss alarm
Frequency offset testing
Line signal level and frequency testing
Voice channel signal level and frequency testing
Pattern slip testing
Clock slip testing
Straightforward signaling
Audio frequency testing
Loop circuit delay testing
Automatic protection switching time testing (APS)
Clock bias function
Sound monitoring
Duplex 2Mbit/s detecting and monitoring
Signal state display. Voice channel content display. Voice channel busy indication
Alarm and error histogram analysis
Time slot content analysis, drop and insert signal on each time slot
Framed content analysis
G.703 module analysis
G. 821/G. 826/M. 2100 error analysis
Multi error and alarm inserting
Three input modes (terminating, bridging and monitoring)
Three clock options (internal, external and picking-up);
