CTC Union Technologies Co., Ltd. BTM10-E1 E1 PCM Multi-Tester with Full Feature
Receiver Interface of E1/CEPT
Line Code: HDB3/AMI
Pulse characteristics: meets ITU G.703
Jitter Tolerance: meets ITU G.823
Input Port Type:
Coaxial pair: BNC (unbalanced)
Symmetrical pair: Bantam or DB15 (balanced)
Input mode (with AGC):
Termination:
Coaxial Pair Impedance:
75 ohm resistive (unbalanced)
Symmetrical Pair Impedance:
120 ohm resistive (balanced)
Return Loss: > 18 dB
Receive Sensitivity:
+3 dB to -40 dB
Bridge Mode:
Impedance: > 1000 ohm
Receive Sensitivity: +3dB to -30 dB
DSX-MONitor Mode:
Coaxial Pair Impedance:
75 ohm resistive (unbalanced)
Symmetrical Pair Impedance:
120 ohm resistive (balanced)
Receive Sensitivity:
+6dBdsx to -30dBdsx
Receive Timing Range:
2.048MHz 4000Hz
Bit Rate: 2048K bit/s 10ppm.
Line Code: HDB3/AMI
Pulse characteristics: meets ITU G.703
Pulse Amplitude:
Nominal 2.37V for Coaxial Pair 75 ohm
Nominal 3.00V for Symmetrical Pair 120 ohm
Zero Amplitude: 0.1 V max.
Jitter Tolerance: meets ITU G.823
Output Port Type:
Coaxial pair: BNC (unbalanced)
Symmetrical pair:
Bantam or DB15 (balanced)
TX Clock Source:
Internal Timing: 2.048 MHz 10 ppm.
External Timing:
Recovery from RX Timing (Loop Timing)
Data Port Timing
Internal Timing plus 50 ppm offset
Internal Timing minus 50 ppm offset
E1/CEPT Frame Structure
FAS
FAS+CRC4
FAS+CAS
FAS+CRC4+CAS
Unframed
(PCM31)
(PCM31 with CRC)
(PCM30)
(PCM30 with CRC
4. Line Build Out:
0 dB
-7.5 dB
-15 dB
-22.5 dB
(Accuracy: 1dB)
Channel Map
Line Attenuation
Slip Measure
Signaling: ABCD
General Status: Signal Present, HDB3, Pattern Sync, Frame Sync, Looping,
Results: Bit Errors, BPV Errors, Frame Errors , CRC Errors , G.821 Analysis,
G.826 Analysis
Alarm/Warning, Signal Loss (Pulses), Frame Loss, Pattern Loss, Excess Zero Error, One Density, AIS, SLIP, Yellow Alarm (T1), RAI(E1), MRAI(E1)
Print out of test results
DB15 (Male): E1 TX and RX Port
BNC * 2: E1 TX and RX Ports
Bantam * 2: E1 TX and RX Ports
Bantam * 1: External Clock In
HD26 (Female): Data Port (RS-449/530,V.35, X.21 RS-232 interface)
DB15 (Female): Printer Port
DB9 (Male): Remote Control Port / Serial RS-232 Printer Port (option)
RJ-45/RJ-11: Voice handset In/Out
Slide Switch: External (Reference) Clock Setting: TTL/PCM
Power Switch: Power ON/OFF
Mini-Phone Jack: DC9V IN
BERT Patterns : 63, 127, 29-1 (511), 211-1 (2047), 215-1 ITU standard, 215-1 non- standard(inverted), 220-1 ITU standard, 220-1 non-standard(inverted), QRSS, 223-1 ITU standard, 223-1 non-standard(inverted), ALL ONEs (Mark), ALL ZEROs (Space), ALT (0101..), 3 in 24, 1 in 16, 1 in 8, 1 in 4, User Programmable
BERT Display Format : Normal , ITU G.821 , ITU G.826
BERT Transmit Error Rate : Force Single Error: Logic (Bit), Frame, CRC, and BPV (Bipolar Violation) Force 10-3 to 10-7 Error Rate: Logic (Bit), Frame, CRC, and BPV
Performance Analysis: Logic, Frame, CRC, BPV, E-bit Errors , Receive Counter
Error Seconds, Error Free Seconds, Error Rate, G.821 Available Seconds
G.821 Degraded Minutes, G.821 Severely Error Seconds, G.821 Error seconds,
G.821 Unavailable Seconds , G.821 Bolcks, G.821 Available Seconds,
G.821 errored block(EB) , G.821 background block error(BBE) , G.821 errored second(ES) , G.821 severely errored second(SES) , G.821 errored second ratio(ESR) , G.821 severely errored second ratio(SESR) ,
G.821 background block error ratio(BBER) , LOF (Loss of Frame) Events ,
COFA (Change of Frame Alignment)Events , Severely Errored Frame Count
Pulse Wave Analyzer (option)
ITU G.703(E1)
Large LCD display
32 Characters x 8 Lines
Text / Graphic mode
Result Report
Internal Memory storage of test result.
Direct display on LCD screen
Print out via Parallel Printer port
Print out via RS-232 Series Port (option)
Portable for field use
Upgradeable for advanced features
Rechargeable Battery with battery low indicator