DESCRIZIONE PRODOTTO
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Features
- Conforms to all relevant ITU series standards (ITU-T G.703 G.704 G.823)
- Framing or non-framing mode in option
- E1 time slot in arbitrary option
- Balanced 120Ω/non-balanced 75Ω interfaces automatic
- Support the loop back of local analog/digital interface
- Support remote loop back function (valid on under framing mode)
- Support pseudo-random code test function, providing convenience for the test of optic fiber line status 120km trunking -free transmission distance for single-mode optic fiber
- Capable to be communicated with V.35 fiber modem
- Available with complete line detection and alarm indications
- Available with independent structure and 19-inch frame-mounted structure (frame-mounted structure can be inserted with 16 modules)
- AC 220V and DC –48V inputs may be selected for fiber optic modems of both structures
- For frame-mounted fiber optic modems, dual power supply heat backup is provided to ensure a Receiving level: 0~-43db
(English)
TECHNICAL SPECIFICATIONS
Optic interface:
Line mode type: CMI
Line mode rate: 2.048Mbps
Operating wavelength: 850nm, 1310nm or 1550nm
Optic fiber connector: SC/PC
Applicable optic fiber: multi-mode, single-mode
Transmission distance: Single-mode: up to 120km
Multi-mode: up to 2km
E1 interface:
Standard：ITU-T G.703 G.704
Frame structure：framing CCS (PCM31)/ CAS (PCM30)
Rate：N×64Kbps (N=1~31) or 2.048Mbps
Impedance: 75Ω, physical interface BNC;
120Ω, physical interface RJ45
Code: HDB3
Receiving level: 0~-43db
Indicator lamps:
To indicate the operating status of power supply, loopback and random code test, code-missing alarm, out-of-frame alarm etc.
Structure:
Independent: 140mm (depth) × 210mm (width) x 42mm (height)
Frame-mounted: 19in 4.5U standard casing
Power supply:
Independent: 85V～264V AC input, 5V/2A output;
-36V～-72V DC input, 5V/2A output
Frame-mounted: 150V～260V AC input, 5V/16A, 12V/1A output
-38V～ -58V DC input, 5V/16A, 12V/1A output
Power consumption: 3W
Operating temperature: 0°C～50°C
Storage temperature: -20°C～80°C
Humidity: 5%～90% (free of condensate)
Warranty: 3 years
Approvals: FCC, CE, RoHS approvals
English
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