Equipment information
CTC Union Technologies BTM10-E1 Analyzer
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Model:
BTM10-E1
Date:
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Description:
E1 Telecom / Datacom Analyzer
Information
The BTM10 series Analyzer is a compact, notebook sized PCM
measuring instrument designed for field use in analysis and
maintenance of E1 (2.048Mbps) or T1 (1.544Mbps) lines. The
-BTM10 performs Frame Analysis, Drop and Insert 64Kbps voice
or n* 64Kbps data into any time slot. The BTM10 series
Analyzer also provides a variety of E1/T1 line statuses,
transmission performance testing (BERT) and monitoring. On
the E1/T1 line, the BTM10 series product may be used as a
Generator or receiver.
2.2 Functions
• E1/T1 BERT Analysis: E1/T1 frame, code, CRC, and BPV
performance analysis and Generator.
• Alarm and Looping Setting: Manual or automatic alarm and
loop setting.
• VF Access: Drop and insert 64K voice; Low Frequency
Generator (transmit VF Frequency from 60 to 3950 Hz (+3 to
-20dBm)
• Pulse Shape: E1/T1 pulse shape analysis.
• Signal Result: E1/T1 PCM Level Meter and frequency analysis.
• Signaling Setting: ABCD bit setting.
• Signaling Display: Display all channels of ABCD bits.
• BERT on Data Port: Data port BERT performance analysis.
• Examine Analysis: off-line analysis of E1/T1 BERT performance.
• External Drop and Insert: Acts as a Fractional E1/T1
converter.
• User Programmable Pattern Setting: There is a 32 bits
programmable pattern, which can be inserted onto the E1/T1
line and drop for analysis.
• Timeslot Setting: Drop and Insert n*64K data onto E1/T1 line.
• Timeslot Mapping Data: Analyze any channel data of two frames.
E1 Brief History
E1 technology has its roots in the original AT&T Tl public
telephone networks. The AT&T T1 carrier used PCM (Pulse Code
Modulation) and time-division multiplexing over wire pairs
with digital repeaters spaced 6000 feet apart. The 24 speech
channels we encoded on the 1.544 Mbps bit stream. Seven bits
were used for encoding each sample. The system was designed
to transmit voice frequencies up to 4 kHz, and therefore
required sampling at 8000 samples per second. Each frame was
125 µsec. There are a total of 1 bits in each frame, giving
193 x 8000 = 1.544 Mbps.
When T1l facilities were first introduced by AT&T, they were
installed mainly in the public telephone network to
implement connections between switching offices. The T1
carrier has become ; successful that individual users of
telecommunications can now least T1 facilities from a
variety of common carriers and are routinely use to
implement communication links where high data rates are
required.
The CCITT has made two recommendations for PCM transmission
which can be achieved over most telephone wire pairs, one
for the T1 carrier speed of 1.544 Mbps and one for E1
transmission at 2.048 Mbps,. The CCITT recommendation for
1.54* Mbps differs slightly from the North American standard
set by ATS It employs a 193 bit frame with 8 bits per
channel, and the frame alignment bit is the first bit, not
the 193rd as in the AT&T standard. Sixteen frames of 256
bits each are grouped together to form one multi-frame.
There are thirty-two 8-bit time slots in each frame, give 30
speech channels of 64 Kbps each, one synchronization
channel, and one signaling channel. 64 Kbps x 32 channels =
2.048 Mbps.
Manual Type:
User Manual
Pages:
118
Size:
2.95 Mbytes (3093809 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2017 08 06
MD5:
17ca9869a636ed465adcd248087715f9
Downloads:
407
Information
Chapter 1: El Technology Overview Chapter 2: BTM10 El Overview
2.1
Introduction ... 2-1
2.2
Functions ... 2-1
2.3 General
Specifications ... 2-2
2.4 Status
LEDs ... 2-K
2.5 Rear
Panel ... 2-1:
2.6 Cable
Accessories ... 2-2:
2.7 Optional
Accessories ... 2-2:
Chapter 3: The Keyboard
3.1
Introduction ... 3-1
3.2 Keyboard
Figure ... 3-2
3.3 Key
Function ... 3-3
3.3.1 Menu Function
Keys ... 3-3
3.3.2 Other Function
Keys ... 3-5
3.3.3 Special
Keys ... 3-6
3.3.4 Cursor Key
Details ... 3-6
Chapter 4: General Operation
4.1 BTM10 Power
Up ... 4-1
4.2 BTM10 Menu
System ... 4-1
4.3 System
Reset ... 4-3
4.4 Back light Toggle
... 4-3
4.5 Examine
Analysis ... 4-3
Chapter 5: Configuration Setup
5.1 Configuration
Setup ... 5-1
5.2 Parameter
Details ... 5-2
Chapter 6: BERT Analysis
6.1 Introduction ..
6.2 Performance ..
6.3 Function Keys
Chapter 7: Alarms Setting Chapter 8: Signal Result Chapter
9: Signaling Setup Chapter 10: Signaling Display Chapter 11:
User Program Pattern Chapter 12: Time Slot Setting Chapter
13: External Drop and Insert
13.1
Introduction ...
13-1
13.2 Parameter
Setting ... 13-1
13.3
Examples ...
13-3
Chapter 14: Time Slot Map Data
Chapter 15: VF Access
Chapter 15: VF Access Chapter 16: Self Test
16.1
Description ... 1
16.2 Self Test Single
Mode ... 1
16.3 Self Test Continuous
Mode ... 1
16.4 Print Port
Test ... 1
16.5 LCD
Test ... 1
16.6 Keyboard
Test ... 1
16.7 VF Test
(DTMF) ... 1
16.8 VF Test
(Tone) ... 1
Chapter 17: Miscellaneous
17.1
Description ...
1
17.2 Key Sound
Setup ... 1
17.3 Print function
setting ... 1
17.4 Clock
Setup ... 1
17.5 Version
Display ... 1
Chapter 18: Pulse Shape Chapter 19: File Management Chapter
20: SLIP Measurement Chapter 21: Remote Control Appendix A:
Acronyms and Abbreviations
Appendix B: Cable Pin outs