IEEE C37.94 Solutions
IEEE C37.94 to E1 Converter

E1 Interface Specifications:

• Interfaces per unit: 1
• Conformity (electrical): ITU-T G.703
• Frame structure: As per ITU G.704
• Code: HDB3, 50 % Duty Cycle
• Nominal Impedance: 120 Ohms Balanced / 75 Ohms Unbalanced (Option)
• Nominal pulse width: 244 ns
• Pulse mask: As per ITU Rec. G.703
• Jitter tolerance: As per ITU G.823
• Frame alignment: As per ITU G.732

IEEE C37.94 Interface Specifications Option #1:

• Interfaces per unit: 1 Tx, 1 Rx
• Standards: IEEE C37.94
• Optical connector: ST
• Optical Transmitter: LED
• Optical: 820nm/850nm Multi-Mode

IEEE C37.94 Interface Specifications Option #2:

• Interfaces per unit: 1 Tx, 1 Rx
• Standards: Modulation as per IEEE C37.94
• Optical connector: LC (SFP)
• Optical Transmitter: Laser
• Optical: 820nm/850nm Multi-Mode, 1310nm/ 1550nm Single Mode

Connectors:

• Power: Terminal Block, 2-Pin Supply Connector
• IEEE C37.94 Interface: ST Connector
• E1 Interface: RJ45 (F) / BNC (F) Connector

Chassis:

• DIN Rail Mounting.
• 1U high, 19-inch Rack Mounting

Power Supply:

• Internal: 48V DC (18V to 60V DC)
• External Adapters: 110V DC, 220V DC, 100~240V AC

Compatibility with Line Differential Relays:

MTBF:

• Per MIL-HDBK-217F: ≥ 37 years @ 24C
• Per Telcordia SSR 332, Issue 1: ≥ 42 years@ 24C

Electromagnetic Standards Compliance:

• EN 50081-2, EN 50082-2
• IEC 61000-6-2 (Immunity)
• IEC 61000-6-4 (Emission)
• Complies to IEEE and IEC standards

CE Compliance:

• Low Voltage Directive 2014/35/EU
• Electromagnetic Compatibility 2014/30/EU

Regulatory Compliances:

• RoHS, CE Marking
• Complies with FCC Part 68 and EMC FCC Part 15