GQ-4300D Series 2M Datacom Transmission Analyzers is mainly used for measuring of the error rate of data communication and for the analysis of line fault and causes, and very suitable for the parameter measurement and routine maintenance testing of 2M system, N×64K communication channels.
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);
For Datacom:
· V.24/RS232/V.28, V.35, V.36, X.21, RS-449, RS-485, RS422, EIA-530, EIA-530A datacom testing
· SYNCH and ASYNCH testing
· DTE and DCE emulation
· Bit code testing
· Pattern slip testing
· Signal loss alarm
· Line signal level and frequency testing
· Loop delay testing
· Automatic protection switching time testing(APS)
· G.821, M2100 service interrupt error testing
For co-directional 64Kbit/s:
· Service interrupt error testing
· Bit code testing
· Pattern slip testing
· Signal loss, AIS alarm
· Line signal frequency testing
· Loop delay testing
· Automatic protection switching time testing(APS)
· G.821, M.2100 error testing
◆ Technical Index
·2M Technical Index
(1) Signal input rate: 2048kbit/s±100ppm（G.703 requirement±50PPM）
(2) Signal coding: HDB3, AMI.
(3) Input jitter tolerance: Up to the requirement of Figure 10.1.
