3One data 7304 Manuale d'uso - Pagina 3
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Stampa la pagina1. 1. 1. 1. Introduction
Introduction
Introduction
Introduction
MODEL7304 is a high-performance V.35 optic fiber modem developed by using a dedicated
integrated circuit. It is to modulate a N×64K V.35 data signal directly over single- or
multi-mode optic fiber for a transmission via optic cable line. At another end of the optic
cable, optical signal is demodulated into a V.35 data signal. V.35 interface may be directly
connected with the V.35 interfaces of image and data terminals or the WAN ports of MUX,
exchanger and router for a dedicated network setup or a LAN connection.
2. 2. 2. 2. Product
Product
Product
Features
Features
Product Features
Features
Rate N×64Kbit/s (N=1～32)
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Support the loopback of local analog/digital interface
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Support remote loopback function
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Support pseudo-random code test function
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120km trunking -free transmission distance for single-mode optic fiber
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Capable to be communicated with FE1 Fiber Modem
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Available with complete line detection and alarm indications
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Available
with
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Rack-mountable structure can be inserted with 16 modules
AC 220V and DC –48V inputs may be selected for fiber optic modems of both structure
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For Rack-mountable fiber optic modems, dual power supply heat backup is provided to
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ensure a high operating reliability
3 3 3 3 . . . . Specification
Specification
Specification
Specifications s s s
Optic
interface:
Optic
Optic interface:
Optic
interface:
interface:
Line mode type: CMI
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Line mode rate: 2.048Mbps
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Operating wavelength:850nm,1310nm or 1550nm
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Optic fiber connector: SC/PC
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Applicable optic fiber: multi-mode, single-mode
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Transmission distance:
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Single-mode: up to 120km Multi-mode: up to 2km
V.35
interface
V.35
V.35 interface
V.35
interface
interface：
Data rate: N×64Kbps （N=1~32）
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Available with CTS/RTS (Hardware) flow control function
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Type of connector: M34 connector
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Operating mode: DCE
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Indicator lamps: To indicate the operating status of power supply, data receiving/sending,
loopback and random code test, code missing alarm, out-of-frame alarm
etc.
Structure
Structure
Structure
Structure：
Independent: 140mm(depth) x 210mm(width) x 42mm(height)
independent
structure
and
19-inch
Page 3 of 11
MODEL7304 User Manual
Rack-mountable
structure