• VCL-MX Version 6, Upto 80 E1 Voice and Data Multiplexer

VCL-MX Version 6, Upto 80 E1 Voice and Data Multiplexer

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Technical Specifications

VCL-MX Version 6 - 80 x E1 Multiplexer may be used for inter-connecting legacy voice and data networks, provisioning and managing bandwidth on a E1 channelized level as well as 64Kbps, DS-0 time-slot level and as a digital-access cross-connect equipment. Due to the changing traffic patterns, there is a need to support multiple services from the same equipment like integrated data transport, better network management etc. This necessitated evolution to next generation E1 Multiplexer.

VCL-MX Version 6 - Power Point Presentation

VCL-MX Version 6 - Data Sheet

VCL-MX Version 6 - Flyer

E1 Interface: (Part No. VCL-MX-1520)

Maximum number of interface cards (In a single chassis) As per requirement and upto 10 Used to map with Voice and Data Interface
Number of interfaces per E1 Interface Card 8 E1 Interfaces
Conformity (Electrical) G.703
Frame Structure As per ITU (CCITT) G.704
Signaling Channel Associated Signaling (ABCD Programmable)
PCM Sampling Rate 8000 Samples / sec
Bit Rate 2048 Kbps ± 50 ppm
Code HDB3
Nominal Impedance 120 Ω balanced / 75 Ω unbalanced
Peak Voltage of a mark 
For 120W Balanced interface
75W Unbalanced interface
> 12dB
> 18dB
> 14dB
Jitter Tolerance As per ITU (CCITT) G.823
Frame alignment As per ITU (CCITT) G.732
Loss and recovery of frame alignment As per clause 3 of ITU (CCITT) G.732
Loss and recovery of multi-frame alignment As per clause 5.2 of ITU (CCITT) G.732

FXS, Voice Frequency Interface: (Part No. VCL-MX-1525-FXS)

Maximun number of interface cards 9
Number of Channels per Card 16
Interface Type FXS,  A-law, 8 bit/sample, A=87.6 / 87.7, 13 segment coding
Maximum Number of Channels 144
Transmission performance Fully compliant to ITU (CCITT) G.712 specification
Line Impedance 600 Ω  (900 Ω  optional)
Voice Channel Frequency 300Hz-3400Hz
Insertion Loss / Gain -2.0 dB Nominal (user adjustable)
Adjustable range –30 dB to +3 dB in steps of 0.5dB
User selectable range for gain / insertion loss 0 dB to 18 dB
Idle Channel Noise ≤-65 dB
Return Loss 300Hz – 600Hz - ≥ 12 dB
600Hz – 3400Hz - ≥ 15 dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz
Ring Frequency 16 Hz, 20 Hz, 25 Hz, 50 Hz
Ring Voltage ≥ 75 volts RMS into a load of 5 R.E.N. with a 0.30 Erlang traffic pattern
Subscriber Loop Current ≥ 30mA into a subscriber loop of 1200 Ohms
Overload Level +3.14 dBm ± 0.5 dBm
Battery Reversal All channels
Dial Pulse Speed 50 pps - Pulse Dialing ≤ ± 2 ms / DTMF Dialing
Protection As per ITU-T Rec. K.20

FXO, Voice Frequency Interface: (Part No. VCL-MX-1530-FXO)

Maximum number of interface cards 9
Number of Channels per Card 16
Interface Type FXO,  A-law, 8 bit/sample, A=87.6 / 87.7, 13 segment coding
Maximum Number of Channels 144
Transmission performance Fully compliant to ITU (CCITT) G.712 specification
Line Impedance 600 Ω  (900 Ω  optional)
Voice Channel Frequency 300Hz-3400Hz
Insertion Loss / Gain -2.0 dB Nominal (user adjustable)
Adjustable range –30 dB to +3 dB in steps of 0.5 dB
User selectable range for gain / insertion loss 0 dB to 18 dB
Idle Channel Noise ≤-65 dB
Return Loss 300Hz - 600Hz - ≥ 12 dB 
600Hz - 3400Hz - ≥ 15 dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz
Overload Level +3.14 dBm ± 0.5 dBm
Battery Reversal All channels
Dial Pulse Speed 50 pps - Pulse Dialing ≤ ± 2 ms / DTMF Dialing

Hot-Line Interface Card: (Part No. VCL-MX-1525-HTL)

Number of Channels per Card 16
Interface Type Hot-Line, A-law, 8 bit/sample, A=87.6 / 87.7, 13 segment coding
Maximum Number of Channels 144
Transmission performance Fully compliant to ITU (CCITT) G.712 specification
Line Impedance 600 Ω (900 Ω  optional)
Loop resistance Upto 2000 Ohms
Voice Channel Frequency 300Hz-3400Hz
Insertion Loss / Gain -2.0 dB Nominal (user adjustable)
Adjustable range –30 dB to +3 dB in steps of 0.5 dB
User selectable range for gain / insertion loss 0 dB to 18 dB
Idle Channel Noise ≤-65 dB
Return Loss 300Hz - 600Hz - ≥ 12 dB 
600Hz - 3400Hz - ≥ 15 dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz
Ring Frequency 16 Hz, 20 Hz , 25 Hz, 50 Hz
Ring Voltage ≥ 75 volts RMS into a load of 5 R.E.N. with a 0.30 Erlang traffic pattern
Subscriber Loop Current ≥ 30mA into a subscriber loop of 1200 Ohms
Overload Level +3.14 dBm ± 0.5 dBm
Dialing Ring-down

E&M 2 Wire / 4 Wire Voice Frequency Interface: (Part No. VCL-MX-1535)

Number of Channels per Card 16
Interface Type Hot-Line, A-law, 8 bit/sample, A=87.6 / 87.7, 13 segment coding
Maximum Number of Channels 144
Transmission performance Fully compliant to ITU (CCITT) G.712 specification
Line Impedance 600 Ω  (900 Ω  optional)
Loop resistance Upto 2000 Ohms
Voice Channel Frequency 300Hz-3400Hz
Insertion Loss / Gain -2.0 dB Nominal (user adjustable)
Adjustable range –30 dB to +3 dB in steps of 0.5 dB
User selectable range for gain / insertion loss 0 dB to 18 dB
Idle Channel Noise ≤-65 dB
Return Loss 300Hz - 600Hz - ≥ 12 dB 
600Hz - 3400Hz - ≥ 15 dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz
Ring Frequency 16 Hz, 20 Hz , 25 Hz, 50 Hz
Ring Voltage ≥ 75 volts RMS into a load of 5 R.E.N. with a 0.30 Erlang traffic pattern
Subscriber Loop Current ≥ 30mA into a subscriber loop of 1200 Ohms
Overload Level +3.14 dBm ± 0.5 dBm
Dialing Ring-down

GEN GEN / Magneto Interface Card: (Part No. VCL-MX-1587)

Number of Channels per Card 16
Interface Type Magneto, 2-wire (GEN-GEN)
A-law, 8 bit/sample, A=87.6 / 87.7, 13 segment coding
Line Impedance 600 Ω
Voice Channel Frequency 300Hz-3400Hz
Maximum Number of Channels 144
Transmission performance Fully Compliant to ITU (CCITT) G.712 specification
Insertion Loss / Gain -2.0 dB Nominal (user adjustable)
Adjustable range -30dB to +3 dB
User Selectable range for gain / insertion loss 0 dB to 18 dB
Idle Channel Noise ≤-65 dB
Return Loss 300Hz - 600Hz - ≥ 12dB 
600Hz - 3400Hz - ≥ 15dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz
Overload Level +3.14 dBm ± 0.5 dBm

Conference Interface Card: (Part No. VCL-MX-1590)

Number of Channels per Card 5
Conference capability 18 five-way / 30 three-way multi port voice conference capability
Interface Type 4 Wire E&M
Maximum Number of Channels 90
Transmission performance Fully compliant to ITU G.712
Line Impedance 600  Ω
Voice Channel Frequency 300Hz-3400Hz
Idle Channel Noise ≤ -65 dB
Return Loss 300Hz - 600Hz - ≥ 12 dB
600Hz - 3400Hz - ≥ 15 dB
Longitudinal Balance ≥ 46 dB between 300Hz to 3400Hz

Low Speed Data Interface Asynchronous RS232: (Part No. VCL-MX-1559)

Number of Interfaces per Card 8
Maximum Number of Interfaces 9
Mode Asynchronous, RS232 (V.24/V.28 line drivers) - DCE
Bit Rate 50 Kbps to 19.2 Kbps
Character Length 5 / 6 / 7 / 8 (auto-select)
Stop Bits 1 / 1.5 / 2 (auto-select)
Parity Even / Odd / 0’s / 1’s / none (auto-select)

64Kbps Universal Data Interface: (Part No. VCL-MX-1545-04-48)

Number of Interface per card 4
Maximum Number of channels 36
Mode – Synchronous - Interface V.35 / V.36 / X.21 / RS530 / V.24 / V.11 / V.28 - DCE
Mode - Asynchronous - Interface RS232 / RS485 / V.24 / V.11 / V.28 - DCE
Mode - Sub Rate Multiplexing - Interface RS232 / RS485 / V.24 / V.11 / V.28 - 4 Asynchronous data channels multiplexed into one single 64 Kbps timeslot - DCE
Conformity EIA and ITU-T
Synchronous Bit rate V.35 / V.36 / X.21 / RS530 / V.11 @ 64 Kbps 
V.24 @ 300, 600, 1200, 2400, 4800, 9600, 19200 bps
Asynchronous Bit rate 50 bps to 19200 bps

G.703 @ 64kbps, Synchronous Data Interface: (Part No. VCL-MX-1560-08-5.0)

Interface G.703 @ 64 Kbps
Number of Interfaces per Card 8
Maximum Number of channels 72
Conformity To (CCITT) Rec. G.703
Mode Synchronous, Co-directional
Bit Rate 64Kbps
Protection As per ITU-T Rec.K.20

Relay I/O Interface Card: (Part No. VCL-MX-1547-16-48)

Description: This interface card provides 16 Relay I/Os that may be used to extend either Dry Relay Contacts (Relay Normally-Open or Relay Normally-Close) or operate switches remotely (using Dry Relay Contacts rated 2A @ 60Volts DC) between any two Multiplexers using a 64 Kbps time-slot.

Maximum number of channels 144
Maximum number of interface cards 9

Relay Specifications (Drivers)

Maximum number of dry contact drivers 16
Maximum Switching Power
60 W (approximately)
Maximum Switching Voltage / Current 60V DC,  2 A
250V AC, 2 A
Isolation 2.5 KVA Minimum
Typical Number of Operations > 1 million

Dry Contact Sensors

Maximum Number of Dry Contact Sensors 16
Maximum Current 50 mA
Typical Current 20 mA
Reference Source Voltage 3.3 Volts


Universal Data Interface: High Speed Synchronous "n x 64" Data Interface Type - User Configurable DCE-DTE:
(Part No. VCL-MX-1558-04-48)

Interface V.35 (DTE/DCE)
V.36 (DTE/DCE)
X.21 (DTE/DCE)
V.11 (DTE/DCE)
RS422 (DTE/DCE)
RS530 (DTE/DCE)
Number of Interfaces per Card 4, (“N” x 64KBits/sec. per card)
Maximum number of interface cards 9
Bandwidth (“N” x 64 Kbits/sec. interface 
maximum value of “N” =30) - user selectable
Conformity Universal user-configurable as above
Mode Synchronous
Bit Rate 64 Kbps to 1920 Kbps
User Interface DCE/DTE (User programmable for DTE/DCE mode)


High Speed "n x 64" Data Interface Type: 10/100BaseT Ethernet with Electrical Ethernet: 
(Part No. VCL-MX-1595-04-5.0)

Interface 10/100BaseT (Electrical)
Total Number of interfaces per card 4 Ports (4 x 10/100BaseT Electrical)
Application Point to point
Bandwidth (“N” x 64 Kbits/sec. interface
minimum value of “N” =1
maximum value of “N” =30) - user selectable
Aggregate Bandwidth 1920Kbps – maximum, user programmable in steps of 64Kbps from 64 Kbps to 1920Kbps
Conformity 10/100BaseT Ethernet Electrical

High Speed Data Interface Asynchronous 50bps to 115.2Kbps Asynchronous Data Interface:
(Part No. VCL-MX-1558-04-48AHS)

Interface RS232, RS485, V.24
Number of interfaces per card 4
Maximum number of interface cards 9
Bit Rate 50bps to 115.2Kbps -user selectable
Character length 5 / 6 / 7 / 8 (auto-select)
Stop bits 1 / 1.5 / 2 (auto-select)
Parity Even / Odd / 0’s / 1’s / none (auto-select)
Mode DCE or DTE, User selectable

Maximum distance : 5 km (4 miles) on 0.5 mm twisted Pan. Distance may vary with cable gauge.

For distance using various cable gauges please refer chart below.

Distance in kms. (Miles)
Line Rate
(Kbps)
144
Wire Gauge (AWG/mm)
19 (.9mm)
17.4 (10.8)
22 (.6mm)
11.6 (7.2)
24 (.5mm)
8.1 (5.0)
26 (.4mm)
5.5 (3.4)


8 E1 Plus 100Mbps Ethernet Fiber Optical Transport Interface: (Part No. VCL-MX-1551-5.0-WLWL-DKM)

Optical
Number of optical ports 1+1 redundant, automatic link protection
Channel capacity 8E1 Plus 100Mbps Ethernet
Jitter character ITU-T G.742, G.823 compliant
Type of Transmitter Class 1 Laser
Transmitter power -11 dBm to +3 dBm - as ordered
20 km, 40 km, 80 km, 120 km reach – as ordered
Receive sensitivity -34 dBm
Bit rate 155 Mbps
Wavelength 850 nm multimode / 1310nm singlemode / 1550nm singlemode (optional)
Optical connector LC (MSA Compliant SFP Module)
Fully Compliant with ITU-T G.957, G.958 Specification
Class 1 Laser Product, Compliant with IEC 60825-1
Compliant with Telcordia (Bellcore) GR-468-CORE
Safety
Class 1 Laser
Auto Laser Shut Down in the event of fiber break.
Ethernet Interface - 10/100BaseT
Number of Interfaces 4
Interface RJ-45 Ethernet 10BaseT or 100BaseT-TX (auto sensing)
Compliance Ethernet Version 2.0 IEEE802.3 10Base-T & 100Base-TX Activity, Full/half duplex.
Interface rate 100 Mbps Ethernet data transmission rate
Order Wire Interface
Phone set Standard 2-wire phone set
Bandwidth and Coding 64 Kb/s PCM Channel, A-Law Coding


Integrated IEEE C37.94 Teleprotection Interface: (Part No. VCL-MX-1552-SM)

Number of ports 4
Maximum number of interface cards 9
Maximum number of channels 36
Standards IEEE C37.94
Optical 1310nm Single Mode (40KM / 80KM / 120KM)
Optical connector FC-PC /ST-PC/ LC-PC (MSA Complaint SFP Module)
Safety Class 1 Laser


Integrated IEEE C37.94 Teleprotection Interface: (Part No. VCL-MX-1552-MM)

Number of ports 4
Maximum number of interface cards 9
Maximum number of channels 36
Standards IEEE C37.94
Optical 850nm Multi Mode (2KM)
1310nm Multi Mode (2KM)
Standards IEEE C37.94
Optical 850nm Multi Mode (2KM)
1310nm Multi Mode (2KM)
Optical connector FC-PC /ST-PC/ LC-PC (MSA Complaint SFP Module)
Safety Class 1 Laser


Protection

Remote / FXS (subscriber side) interface is protected against power surges and transients occurring from lightning and electric induction as per ITU-T Rec. K.20 towards line side.


Management Interface

  • COM Port (RS232 Serial Port)

  • USB Port

  • 10BaseT Ethernet Port - Each multiplexer may be assigned an IP address and connected to a LAN / IP network for remote access and management through the 10BaseT Ethernet Port for out-of-band configuration, management and access

  • Telnet

  • SSH

  • SNMP, V2

  • Windows based GUI (Graphical User Interface) for easy configuration, management and access.


Power Supply

Input DC Voltage -48V DC (nominal)
Range of Input -36V to -72V DC
Output Voltage 5V filtered -48V (for terminal cards)
Full Load Current 4A at 48V DC
Input Voltage Reversal Protection Provided in the Card
Over Current Protection 6A at 48V DC
Short Circuit Protection Current limit – 6A. Recovers on removal of short
Efficiency at Full Load >91%
Ripple at Full Load <5mVrms
Spike at Full Load <50mV


Power Consumption

Maximum Power Consumption ≤ 200 watts


Environmental

Operating Temperature -200C to +600C
Maximum Operating Humidity 95% R.H, Non-Condensing
Maximum Operating Altitude Up to 3,000 meters above sea level
Operation Complies with ETS 300 019 Class 3.2
Storage Temperature -400C to +700C
Storage Complies with ETS 300 019 Class 1.2
Maximum Storage Humidity 98% R.H, Non-Condensing
Maximum Storage Altitude Up to 3,000 meters above sea level
Transportation Complies with ETS 300 019 Class 2.3


Dimensions

Height 266 mm (19" 6U high)
Width 482 mm
Depth 270 mm
Weight 12 Kgs.
Chassis Color Matte Black - Powder coated

Application Diagram

Application # 1: E1 PDH Multiplexer – SCADA / Power Utility Application

E1 PDH Multiplexer – SCADA / Power Utility Application



Application # 2: Power Utility Application

Power Utility Application



Application # 3: E1 Microwave Application

E1 Microwave Application



Application # 4: Optical Transport Application

Optical Transport Application



Application # 5: SCADA Conference Application

SCADA Conference Application


SCADA Conference Application


Application # 6: E & M - Point to Multi-point / Conference Application

E & M - Point to Multi-point / Conference Application