background image

Technical Specifications

Electrical Interface (E1 Tributary)

Number

1

Nominal bit rate

2048 Kbps

Bit rate tolerance

50 ppm

Termination Impedance

120 Ohms balanced / 75 Ohms un-balanced

Line code

HDB3

Frame structure

As per G.704

Electrical interface

As per G.703

Return loss at input port:

51.2 KHz to 102.4 Khz

> 12 dB

102.4 KHz to 2048 KHz      

> 18dB

2048 KHz to 3072 KHz        

> 14 dB

Maximum Output Jitter

0.05UI

Maximum Input Jitter

20Hz to 93 Hz

1.5UI

700Hz to 100KHz

0.2UI

E1 Connectors

RJ-45 / BNC

Permissible Attenuation

6 dB (max) @ 1024KHz

Optical Interface Specifications -  850nm Multi Mode

Transmitter Optical Characteristics 

Receiver Optical Characteristics 

Parameter

Minimum

Typical

Maximum 

Optical Data Rate 

125Mb/s

Center Wavelength

830nm

850nm

860nm

Output Spectral Width (RMS)

0.85nm

Average Output power

 -10dBm

-3dBm

Output Optical Eye

Complaint with ITU-T G.957

Connectors

FC

Parameter

Minimum

Typical

Maximum 

Optical Data Rate 

125Mb/s

Receive Sensitivity 

-24dBm

Maximum Input Power

-3dBm

Operating Wavelength

-10dBM

850nm

Connectors

FC

5

Technical Specifications

Orion Telecom Networks Inc. - 2007-10

VCL-E1 (G.703) Fiber Optic Modem

Summary of Contents for VCL-E1

Page 1: ...RION TELECOM NETWORKS User Manual VCL E1 G 703 Fiber Optic Modem ...

Page 2: ...e buyer supplied firmware or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance Exclusive Remedies The remedies provided herein are the buyer s sole and exclusive remedies Orion shall not be liable for any direct indirect special incidental or consequential damages whether based on contra...

Page 3: ...nm Multi Mode Transmitter Optical Characteristics Receiver Optical Characteristics 5 Optical Interface Specifications 1310nm Single Mode Transmitter Optical Characteristics Receiver Optical Characteristics 6 Optical Interface Specifications 1510nm Single Mode 6 Transmitter Optical Characteristics Receiver Optical Characteristics 6 Front View 7 LED Indications 7 Pushbutton and Switch Indications 8 ...

Page 4: ...fiber link at ranges longer than any copper modem can achieve The clock options are Internal External Slave Clock three clock mode option G 703 FE1 I Safety Warnings For Testing Always Install Optical Attenuators For Distance of less than 10 Kms Optical Attenuators must be installed on the Optical Links Otherwise the Optics will be Permanently Damaged VCL E1 G 703 Fiber Optic Modem VCL E1 G 703 Fi...

Page 5: ...UI E1 Connectors RJ 45 BNC PermissibleAttenuation 6 dB max 1024KHz Optical Interface Specifications 850nm Multi Mode Transmitter Optical Characteristics Receiver Optical Characteristics Parameter Minimum Typical Maximum Optical Data Rate 125Mb s Center Wavelength 830nm 850nm 860nm Output Spectral Width RMS 0 85nm Average Output power 10dBm 3dBm Output Optical Eye Complaint with ITU T G 957 Connect...

Page 6: ...15dBm Operating Wavelength 1100nm 1600nm Connectors FC Optical Interface Specifications 1510nm Single Mode Transmitter Optical Characteristics Parameter Minimum Typical Maximum Optical Data Rate 125Mb s Center Wavelength 1480nm 1550nm 1580nm Output Spectral Width RMS 4nm Average Output Power 15dBm 12dBM 8dBm Output Optical Eye Complaint with ITU T G 957 Connectors FC Receiver Optical Characteristi...

Page 7: ...the input signal of optical interface Solid RED indicates an alarm of local end and flashing to indicate there is an alarm at the remote end 6 PTOK G Pseudo code normally detected 7 TEST Yellow Local device or remote device in test mode N indicates loss of E1 Signal at local site Flashing indicates loss of E1 signal at remote site E1SYL Red ON indicates loss of E1 Frame at local site Flashing indi...

Page 8: ...e This test may be used to verify the integrity of the optical link E1 FE1 E1 FE1 Optical Interface Optical Interface VCL E1 Fiber Optic Modem VCL E1 Fiber Optic Modem REM This switch initiates a loopback at the remote side It may be used to verify the complete data link integrity between the local and the remote E1 FE1 Interface Fiber E1 FE1 E1 FE1 VCL E1 Fiber Optic Modem VCL E1 Fiber Optic Mode...

Page 9: ... 75 120 E1 AC 220V From AC Source 220V 3 Pin male Socket 48 VGND SGND 48V E E OFF Tx Rx ON DC 48V E Tx Rx 75 75 120 E1 Note Please connect 48V DC supply to the system as shown in above figure 9 Rear View Orion Telecom Networks Inc 2007 10 VCL E1 G 703 Fiber Optic Modem ...

Page 10: ...o not expose to the naked eye Connect fiber cable to system when power is OFF Safety Warnings For Testing Always Install Optical Attenuators For Distance of less than 10 Kms Optical Attenuators must be installed on the Optical Links Otherwise the Optics will be Permanently Damaged 10 Optical Connection Orion Telecom Networks Inc 2007 10 VCL E1 G 703 Fiber Optic Modem ...

Page 11: ... Link Rx 75 Ohms BNC Connector Female BNC Connector Male BNC E1 Link Tx 75 Ohms RJ 45 Female Pin Signal in RJ 45 Female 6 Rx Tip Data In 7 Rx Ring Data In 2 Tx Tip Data Out 3 Tx Ring Data Out RJ 45 Female 1 2 3 4 5 6 7 8 Pinouts of for E1 Interface RJ 45 11 E1 Connection Orion Telecom Networks Inc 2007 10 VCL E1 G 703 Fiber Optic Modem ...

Page 12: ... the equipment which shall allow the user to set the bandwidth framing etc The switch selection switch numbering is from left to right with switch 1 being the 1st switch on the left There are three working modes of the E1 are a Framed CCS PCM31 b Multi framed CAS PCM30 c Un framed E1 transparent E1 Working Mode Switch Setting Un framed All switches OFF Framed CCS Switch 1 OFF Multi framed CAS Swit...

Page 13: ...to 32 16 1024K 2 to 17 18 to 32 17 1088K 2 to 18 19 to 32 18 1152K 2 to 19 20 to 32 19 1216K 2 to 20 21 to 32 20 1280K 2 to 21 22 to 32 21 1344K 2 to 22 23 to 32 22 1404K 2 to 23 24 to 32 23 1472K 2 to 24 25 to 32 24 1536K 2 to 25 26 to 32 25 1600K 2 to 26 27 to 32 26 1664K 2 to 27 28 to 32 27 1728K 2 to 28 29 to 32 28 1792K 2 to 29 30 to 32 29 1856K 2 to 30 31 to 32 30 1920k 2 to 31 32 31 1984K 2...

Page 14: ...tch No 33 Switch No 34 Synchronization Clock Settings ON OFF System will work on its internal clock OFF OFF System will work on the loop timed extracted clock from the equipment which is connected on E1 FE1 interface side ON ON System will work on the loop timed extracted clock from the equipment which is connected on optical side Switches number 35 36 will be unused and always set on OFF conditio...

Page 15: ...8 9 16 17 2425 3233 40 E1 FE1 Impedance Selection Switches number 37 40 will be used for impedance selection of E1 FE1 Port Switch No Switch No Switch No Switch No Impedance Selection of E1 FE1 Port 37 38 39 40 ON ON ON ON 75 Ohms un balanced OFF OFF OFF OFF 12 Ohms balanced 15 E1 FE1 Impedance Selection Orion Telecom Networks Inc 2007 10 VCL E1 G 703 Fiber Optic Modem ...

Page 16: ... experience We recommend the equipment to be managed only by qualified technicians Should you require technical assistance please consult the provider or contact our SUPPORT DESK at support oriontelecom com Technical specifications are subject to changes without notice All brand names and trademarks are the property of their respective owners Revision 04 September 06 2010 16 Ordering Information O...

Reviews: