Forward Part

Optical Parameters

Optical AGC control range

dBm

+2～-8/-7/-6/-5 adjustable

Optical Return Loss

dB

>45

Optical Receiving Wavelength

nm

1100 ~ 1600

Optical Connector Type

—

FC/APC, SC/APC or specified by the user

Optical Fiber Type

—

Single mode

Link Performance

C/N

dB

≥ 51

-1dBm optical input, output level 108dBμV,

EQ 8dB

C/CTB

dB

≥ 65

C/CSO

dB

≥ 60

RF Parameters

Frequency Range

MHz

54/85 ~862/1003

Flatness in Band

dB

±0.75

Rated Output Level

dBμV

≥ 108

(when the optical AGC control range is +2～-8)

Max Output Level

dBμV

≥ 114

(when the optical AGC control range is +2～-5)

Output Return Loss

dB

(85 ~550MHz) ≥16 / (550~1000MHz) ≥14

Redundant Receiver Isolation

dB

≥75

Output Impedance

Ω

75

Return Part

Optical Parameters

Optical Transmit Wavelength

nm

1310±10, 1470±10,1550±10, 1530±10,1590±10,

1610±10,  (or specified by the user)

Laser Type

—

DFB or FP laser

Output Optical Power

mW

1,2,3

Optical Connector Type

—

FC/APC, SC/APC (or specified by the user)

RF Parameters

Frequency Range

MHz

5 ~ 42/65 (or specified by the user)

Flatness in Band

dB

±0.75

Input Level

dBμV

75~ 85

Input Return Loss

dB

≥16

Independent Transmit Isolation

dB

≥60

Input Impedance

Ω

75

NPR dynamic range

dB

≥15 (NPR≥30 dB)

Use DFB laser

≥10 (NPR≥30 dB)

Use FP laser

RF Parameters of C-CMTS interface

CMTS_DS

forward path insertion port level

dBμV

100±2

CMTS_US

return path output gain

dB

0±1

Port～CMTS_US OUT

Isolation (forward path—CMTS_US return path output)

dB

≥70

General Performance

Power voltage

V

A：AC（150~265）V；B：AC（35~90）V

Feed current through

A

10

Operating temperature

℃

-40~+60

Storage temperature

℃

-40~+70

Relative humidity

%

Max 95% no condensation

Consumption

VA

≤ 42

Dimension

mm

460（L）×282（W）×175（H）

1

DT-OR1004-1T1R

Configured 1 forward path optical receiver modules, 1 return path optical transmitter modules

2

DT-OR1004-2T2R

Configured 2 forward path optical receiver modules, 2 return path optical transmitter modules

3

Optional Configuration:

4

Forward Part 

Optical Parameters

Optical Connector Type

FC/APC, SC/APC OR specified by the user

5

RF Parameters

Frequency Range

54 or 85 ~862 or 1003MHz

6

Return Part

Optical Parameters

Optical Transmit Wavelength

1310±10,1470±10,1550±10,1530±10,1590±10,1610±10,(or specified by the user)

Laser Type

DFB or FP laser

Optical Connector Type

FC/APC, SC/APC OR specified by the user

RF Parameters

Frequency Range

5 ~ 42 or 65MHz (or specified by the user)

7

Transponder

Add transponder is optional

8

SNMP

Add SNMP (Simple Network Management Protocol) is optional

9

FP(G) isolation

Add Return path optical transmit modules FP(G) isolation is optional

10

Power Supply

Single Power OR Double Power is optional

AC (150~265V) OR AC (35~90V)

European standard Plug or American standard Plug is optional