RAD BE-1 Coax to Twisted Pair Converter (Balun) for E1

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RAD BE-1 Coax to Twisted Pair Converter for E1

RAD BE-1 Coax to Twisted Pair Converter (Balun) for E1

BE-1/M
for BNC male connectors
BE-1/F for BNC female connectors.

 

FEATURES
  • The BE-1 Balun (coax to twisted pair converter) enables any E1 equipment with coax interface to operate over two twisted pairs (4-wire interface), as shown in Figure 1.
  • Two BE-1 units back-to-back allow 4-wire ISDN equipment to operate over existing coax cables (see Figure 2).
  • BE-1 is insensitive to the direction of the signal, allowing transmit and receive lines to be reversed without affecting operation.
  • BE-1 is a miniature, lightweight Balun. It operates without AC or DC power and provides up to 1000V isolation voltage for protection against AC and DC overvoltage on the line.

SPECIFICATIONS

? Standards

Supports ITU G.703 pulse mask on unbalanced and balanced sides

? Data rate: 2.048 Mbps

? Unbalanced Interface

Line impedance: 75W, unbalanced

Connectors: 2 x BNC (female or male)

(see Ordering)

? Balanced Interface

Line impedance: 120W, balanced

Connector: RJ-45, 8-pin

? Pinout

RJ-45 BNC-1 GND BNC-2

1 Shield

2 Core

3,6 GND

4 Shield

5 Core

7,8 (Not connected)

? Power

Operates without external power supply

? Physical

Length: 50mm/ 2.0 in

Width: 50mm/ 2.0 in

Height: 24mm/ 0.9 in

Weight: 50g / 1.8 oz

? Environment

Temperature:

0-50?C / 32-122?F

Humidity: up to 90%, non-condensing

ORDERING INFO

BE-1/M for BNC male connectors
BE-1/F for BNC female connectors.

APPLICATION

Figure 1
- ISDN Primary Rate from Carrier

Figure 2
- ISDN over Existing Coax Cables

 

 

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