Exfo FTB-8500 Series for FTB-200 Manual de usuario descargar pdf (Pagina 491)

Especificaciones

Aplicación Ethernet y canal de fibra 477

Interfaces de sincronización

Para FTB-8510G:

Para FTB-8120NGE/FTB-8130NGE y FTB-8525/FTB-8535:

SYNCHRONIZATION INTERFACES

DS1/E1 external input clock interface

Parameter DS1 E1

Rx level sensitivity (short haul only) For 772 kHz: For 1024 kHz:

TERM: 6 dB (cable loss only) TERM: 6 dB (cable loss only)

Reception bit rate 1.544 Mbit/s ± 50 ppm 2.048 Mbit/s ± 50 ppm

Input jitter tolerance AT&T PUB 62411, GR-499 section 7.3 G.823 section 7.2

Line coding AMI and B8ZS HDB3 and AMI

Input impedance 100 ohms ± 5%, balanced 120 ohms ± 5%, balanced

(resistive termination)

Connector type BANTAM BANTAM

Clock out interface

Parameter Value

Tx pulse amplitude 600 mVpp ± 130 mV

Transmission frequency LAN WAN

Clock divider = 16 644.53 MHz 622.08 MHz

Clock divider = 32 322.266 MHz 311.04 MHz

Clock divider = 64 161.133 MHz 155.52 MHz

Output configuration AC coupled

Load impedance 50 ohms

Maximum cable length 3 meters

Connector type SMA

External Clock DS1/1.5M External Clock E1/2M External Clock E1/2M Tri gger 2MHz

Tx Pulse Amplitude 2.4 to 3.6 V 3.0 V 2.37 V 0.75 to 1.5 V

Tx Pulse Mask GR-499 figure 9.5 G.703 figure 15 G.703 figure 15 G.703 figure 20

Typical power dBdsx

+0.6 dBdsx (0-133 ft)

Tx LBO +1.2 dBdsx (133-266 ft)

Preamplification +1.8 dBdsx (266-399 ft)

+2.4 dBdsx (399-533 ft)

+3.0 dBdsx (533-655 ft)

Rx Level

TERM: ≤ 6 dB (cable loss only) TERM: = ≤ 6 dB (cable loss only) TERM: = ≤ 6 dB (cable loss only) ≤ 6 dB (cable loss only)

Sensivity

(at 772 kHz for T1) DSX-MON: MON: ≤ 26 dB (20 dB resistive loss MON: ≤ 26 dB (resistive loss

≤ 26 dB (20 dB resistive loss + cable loss ≤ 6 dB) + cable loss ≤ 6dB)

+ cable loss ≤ 6dB)

Bridge: ≤ 6 dB (cable loss only) Bridge: ≤ 6 dB (cable loss only) Bridge: ≤ 6 dB (cable loss only)

Transmission Bit Rate 1.544 Mbit/s ± 4.6 ppm 2.048 Mbit/s ± 4.6 ppm 2.048 Mbit/s ± 4.6 ppm

Reception Bit Rate 1.544 Mbit/s ± 50 ppm 2.048 Mbit/s ± 50 ppm 2.048 Mbit/s ± 50 ppm

Intrinsic Jitter (Tx) ANSI T1.403 section 6.3 G.823 G.823 G.703

GR-499 section 7.3 section 6.1 section 6.1 table 11

Input Jitter AT&T PUB 62411 G.823 section 7.2 G.823 section 7.2

Tolerance GR-499 SECTION 7.3 G.813 G.813

Line Coding AMI and B8Z S AMI and HDB3 AMI and HDB3

Input Impedance 75 ohms ± 5%, 75 ohms ± 5%, 75 ohms ± 5%, 75 ohms ± 5%,

(Resistive Termination) unbalanced unbalanced unbalanced unbalanced

Connector Type BNC

BNC

BNC BNC

NOTES

a. Adaptation cable required for BANTAM.

SYNCHRONISAT I ONINTERFACES

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Exfo FTB-8500 Series for FTB-200 Manual de usuario Pagina 491

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