ตัวแปลงอินเตอร์เฟซ (FE1-V35)

FE1/V. 35 Interface Converter is a FE1/V. 35 framing structure interface converter adopting ASIC (application specific integrated circuit) design. It is capable of converting Nx64K continuous data flow into PCM signal of E1, with a rate up to 1984Kbps (time slot 0 is used to transmit synchronizing information). Subscriber data is put within E1 frame, occupying only the needed time slot. Time slot is distributed freely according to the demand of the subscriber. When subscriber data rate is up to 2048Kbps, line transmission is of full transparent mode, i. e., non-framing structure.

The data port is V. 35, with the data rate optional from 64K to 2048K depending on the number of the selected time slots. M34 connector is adopted.
Line interface is E1, which supports framing structure and non-framing structure and provides optional balanced or unbalanced connection mode.

Technical Specification
V. 35 rate Nx64kbps((N=1~31)optional arbitrarily
Support four clock modes
Support local analog/digital loopback
Support remote loopback function
Provide pseudo-random code test function
V. 35 interface uses M34 standard connector
E1 interface supports framing and non-framing modes with the occupied time slot selected arbitrarily
E1 interface balanced 120Ω /unbalanced 75Ω Optional
Available with independent structure and 19-inch& rack-mounted structure (rack-mounted structure can be inserted with 16 modules)
AC 220V and DC -48V inputs may be selected& for interface converters of both structures;
For rack-mounted interface converter, dual power supply heat backup is provided to ensure a high operating reliability.
Protocol standard: G. 703, G. 704, G. 706, G. 823, I. 431 and V. 35

E1 interface:
Frame structure: Framing/non-framing
Resistance: 75Ω , physical interface BNC
120Ω , physical interface RJ45
Code: HDB3
Receiving electric level: 0~-43dB
Sending high electric level: 2.37V ± 10%, 75Ω
3.00V ± 10%, 120Ω
Sending low electric level: 0V ± 0.1V
Transmission distance: 600m

Data port:
Data port type: V. 35/DCE
Rate: N× 64Kbps (N =1~32)
Physical interface: M34 (Female)
Code: NRZ
Indicator lamps: To indicate the operating status of power supply, data and line interface.
Structure: Independent: 140mm(depth) x 210mm(width) x 42mm(height)
Rack-mounted: 19-inch 4.5U standard casing
Power supply: Independent: 160V~270V AC input, 5V/2A output
-40V~-60V DC input, 5V/2A output
Rack-mounted: 150V~260V AC input, 5V/16A and 12V/1A output
-38V~-58V DC input, 5V/16A and 12V/1A output
Power consumption: 3W
Operating temperature: 0C~50C
Storage temperature: -20C~80C
Humidity: 5%~90% (free of condensate)