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   На русском языке. DYNAMIX - оборудование широкополосного доступа: xDSL, ADSL, ADSL2+, SHDSL, HomePNA 3, VoIP, E1. Модемы, маршрутизаторы, мосты, концентраторы, шлюзы, стойки. Вектор, Украина, Россия  Українською мовою. DYNAMIX - обладнання широкополосного доступу: xDSL, ADSL, ADSL2+, SHDSL, HomePNA 3, VoIP, E1. Модеми, маршрутизатори, мости, концентратори, шлюзи, стійки. Вектор, Україна  
 
G.703 E1-U/ FE1/ FE1-A
Single Port E1 and Fractional E1 Access Unit 
Specification | Application | Ordering information
G.703 E1-U/ FE1/ FE1-A Single Port E1 and Fractional E1 Access Unit
G.703 E1-U

G.703 E1-U/ FE1/ FE1-A Single Port E1 and Fractional E1 Access Unit
G.703 FE1/ FE1-A

The G.703 E1-U/ FE1/ FE1-A Access Units are single port access units for Unframed E1 or Fractional E1 services. Data Port rates are selectable via DIP-switches, for any multiple of 64Kbps up to 2048kbps (Fractional models only). User data is placed into the E1 frame, using only the required number of timeslots. Timeslot assignment is accomplished according to the Data Port speed and is selected by DIP-switches. The main E1 link may be clocked from the recovered receive clock (LBT), from the data port, or from an internal oscillator. The data channel interface is RS-530 standard. Adapter cables are available for V.35, X.21 and RS-449. The G.703 E1-U/FE1/ FE1-A's DIP and slide switches, located on the side and front panels, provide for easy setup and control of all functions. 
The G.703/FE1-A model may be cascaded as an E1 Multiplexer. The unused channel timeslots will pass through E1/Rx to E1/Tx.
 User's manual
      
Quick start
      
• LTU (Line Terminating Unit) built in unit.
• Single port access to E1 & Fractional E1 services.
• Interface conversion between G.703 and RS-530, RS-449 (V.36), X.21 or V.35.
• Data rate: DIP selectable sync Nx64Kbps to 2048Kbps. (FE1 and FE1-A only)
• Fully transparent signal conversion under unframed mode (2048Kbps).
• Clock Regeneration from incoming HDB3 data.
• Diagnostic Loopbacks both for G.703 and Data Port sides.
• All 1's monitor.
• Decoded data in NRZ form.
• Power: AC 110/230V 50/60Hz adapter to DC 9V
• Temp. range: 0o C to 50o C
• Humidity: 10% to 90% relative humidity, noncondensing.
• Dimensions: 19.2cm (L) x 10cm (W) x 2.4cm (H)
• Weight: 400g net 
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G.703
 Type Bidirectional (E1) 2048kbps.
  Line 4wire, 26-16AWG.
  Range Up to 1500 meter, 24AWG or better.
  Impedance 
RJ-45 120 ohm (balanced).
BNC 75 ohm (unbalanced).
 "Pulse" amplitude 
2.37V nominal for BNC, 75 ohm.
3.00V nominal for RJ-45, 120 ohm.
 "Zero" amplitude ±0.1V max.
  Clock freq. 2.048 MHz.
 Freq. Tracking ±50ppm.
  Jitter Complies with ITU-T G.823
  Connector RJ-45 or BNC.
  Complies with ITU G.703, G.704, G.706 and G.823.
  Frame format CAS/CCS,Unframe/Frame.
  CRC check CRC-4 enable/ disable.
  Line code HDB3.

Data port Interface
 Type RS-530/DB25 Standard or V.35, RS-449(V.36) or X.21 with adapter cable. 
  Data rate 64kbps to 2.048Mbps.
  Connector DB25/F with adapter cable.
  Line code NRZ

LED Indicators
 DTE (green LED) Data port set to DTE mode. 
  DCE (green LED) Data port set toDCE mode.
  TD (yellow LED) Transmit data.
  RD (yellow LED) Receive data.
  TEST (red LED) Loopback test mode.
  ALARM (red LED) Data loss, sync loss or Frame loss.
  T-Clk Loss (red LED) Transmit clock loss.
  R-Clk Loss (red LED) Receive signal loss

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Application G.703 E1-U/ FE1/ FE1-A Single Port E1 and Fractional E1 Access Unit
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G703E1-U/XXXY where XXX = V35, X21, 530 or 449 
Y = M (male) or F (female)

Optional Cables 
V35 DB25-V35 Cable. 
X21 DB25-DB15 Cable. 
530 DB25-DB25 Cable. 
449 DB25-DB37 Cable.
G703FE1/XXXY  where XXX = V35, X21, 530 or 449 
where Y = M (male) or F (female)

Optional Cable 
V35 DB25-V35 Cable. 
X21 DB25-DB15 Cable. 
530 DB25-DB25 Cable. 
449 DB25-DB37 Cable.
G703FE1-A/XXXY  where XXX = V35, X21, 530 or 449 
where Y = M (male) or F (female)

Optional Cable 
V35 DB25-V35 Cable. 
X21 DB25-DB15 Cable. 
530 DB25-DB25 Cable. 
449 DB25-DB37 Cable.
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Also see the products of this group:
G.703 E1-U/ FE1/ FE1-A  Single Port E1 and Fractional E1 Access Unit
FiberMix 903-V35FE1 V.35 to E1 fractional Interface Converter
FiberMix 904-V35FE1 Module, V.35 to transparent or fractional E1 interface converter,    SNMP-management
FiberMix 907-EV35   Standalone 10BaseT to V.35 Converter
FiberMix 905-EE1   Standalone 10Mbps on Transparent or Fractional E1 Converter
FiberMix 001-1  1-slot Chassis
FiberMix 002-4  4-slot Chassis (managed)
FiberMix 002-16   16-slot Modular Converter Chassis with SNMP Management
FiberMix 001-NMS1  Master Management Agent Module for 3U Chassis
FiberMix 001-NMS2  Slave Management Module for 3U Chassis
FiberMix 004-16NMS1  Master Management Agent Module for 10U Chassis
FiberMix 004-16NMS2  Slave Management Module for 10U Chassis
FiberMix 802-60   Module, 2 E1 channels optical multiplexer, SNMP-management
FiberMix 803-120   Standalone, 4 E1 channels optical multiplexer, remote SNMP-management,   SSF, Dual WL, 1310nmTX 1550nmRX, 19” 1U chassis,  AC 115V or 230V, DC – 48V
FiberMix 805-120B   Standalone, 4 E1 channels optical multiplexer, remote SNMP-management,  SSF, Dual WL, 1550nmTX 1310nmRX, 19” 1U chassis, AC 115V or 230V,  DC –48V
FiberMix 804-60B   Module, 2 E1 channels optical multiplexer, SNMP-management, SSF, Dual WL, 1310nmTX 1550nmRX
FiberMix 806-60B   Module, 2 E1 channels optical multiplexer, SNMP-management, SSF, Dual WL, 1550nmTX 1310nmRX
FiberMix 803-480B   Standalone, 16 E1 channels optical multiplexer, SSF, Dual WL, 1310nmTX 1550nmRX, 19” 1U chassis, AC 115V or 230V/DC –48V
FiberMix 805-480B   Standalone, 16 E1 channels optical multiplexer, SSF, Dual WL, 1550nmTX 1310nmRX, 19” 1U chassis, AC 115V or 230V/DC –48V
FiberMix 805-240B   Standalone, 8 E1 channels optical multiplexer, remote SNMP-management SSF, Dual WL, 1550nmTX 1310nmRX, 19” 1U chassis, AC 115V or 230V/DC –48V
FiberMix 2304-120   Standalone, 4 E1 channels optical multiplexer, 4 10/100 RJ45, remote SNMP-management, SSF, Dual WL, 1310nmTX 1550nmRX, AC 115V or 230V, DC – 48V
FiberMix 2504-120   Standalone, 4 E1 channels optical multiplexer, 4 10/100 RJ45, remote SNMP-management, SSF, Dual WL, 1550nmTX 1310nmRX, AC 115V or 230V, DC –48V
FiberMix 2401-30, FiberMix 2601-30   Module - PDH Fiber Optical Multiplexers -  1 single strand fiber optical port (Single mode 1310nm TX 1550nm RX and 1550nm TX 1310nm RX), 1 E1 port and 1 Fast-Ethernet port
FiberMix 2401-60, FiberMix 2601-60   Module- PDH Fiber Optical Multiplexers -  1 single strand fiber optical port (Single mode 1310nm TX 1550nm RX and 1550nm TX 1310nm RX), 2 E1 ports and 1 Fast-Ethernet port
FiberMix 3100-155    SDH Multi-Service multiplexer
 

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