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MU Type Optical In-Line Attenuators
MU
MU Multi-position Mounting
SC
Fig.1
FC
sFeatures
1. Smaller package
Hirose's original design combines a plug and attenuator into the same connector size of a standard MU plug,and the superior design enable to save a space using 4.5 mm pitch MU multiple adapters as shown in Fig. 1 and 2.
Save 16.7mm space
Attenuator - MU Plug configuration
16.7mm
Harsh Environment
2. Easy to Change attenuation level
Easy to change the attenuation level by exchanging the attenuatin part with a simple push-twist lock as shown in Fig.3(See page 80).15 levels of attenuation are currently available : 0,1,2,3,4,5,6,7,8,9,10,12.5,15,17.5,and 20 dB
Adapter - MU MU plug Attenuator - MU PJ configuration
Fig.2
3. Insertion and extraction tool
The MU standard tool is available as shown in Fig. 4.
Easy to change an attenuation part
Attenuators
4. Maximum input power :100mW 5. Please contact us if you have any requests. Hirose will offer excellent solutions to meet your requirements.
Back harness
Attenuation part
sApplications
Power level adjustment of optical fiber communication networks.
Fig.3
MU standard tool is available
Terminators
Fig.4
65
sProduct Specifications
Operation temperature range Ratings -25C to +70C 100mW Storage temperature range Fiber type -25C to +70C SM Max. Input Power
MU
Item
Test Method
Specifications
Attenuation Tolerance 0dB 0.5dB 1,2dB 0.5dB 3,4,5,6dB 0.8dB 7,8,9dB 1.0dB 10dB 1.2dB 12.5,15,17.5,20dB ATT10%dB 40dB Engagement force: 12.5 N Separation force: 12.5 N
Optical Characteristis
Attenuation
Measurement at a point within the wavelength of 1310 30 nm, and a point within the wavelength of 1550 30 nm.
SC
Harsh Environment
Return Loss(R.L.) Engagement and Engagement and separation forces at 50mm/s. separation forces Gauge retention force Zirconia gauge at O1.249 0.0005 mm. Insertion and extraction number for connectors:500 Mating durability Insertion and extraction number for an attenuation element:50 For 3 hours at an amplitude of 1.5mm.with the frequency range 10 to 55Hz. Vibration In each of three mutually perpendicular plane. 3 times in each of three mutually perpendicular axis with the Shock acceleration 981m/s2. Humidity : 90% to 96% Compasite Temparature-humidity Temperature : -10C to 65C, Cyclic test Cyclic : 10 cycles(240 hours) Temp : 25/-25/-25/70/70/25C Temperature cycling Time : 15 30 30 30 15 min Cyclic : 10 cycles Temperature : 85C Time : 500 hours Dry heat Temperature : -25C Time : 500 hours Cold Salt Mist : 5% Time : 48 hours Salt Mist
Mechanical Characteristis
1.0N to 2.5N
Environmental Characteristis
1) Attenuation shall be satisfild after the test. 2) No breakage,crack or looseness on components.
FC
No significant corrosion.
sMaterials
Part Body Ferrule Split sleeve Material Zinc alloy Zirconia Zirconia
Attenuators
sOrdering Information
HMU - PAT - FH - K 1 01
1
Terminators
2
3
4
5
6
1 Series name
: HMU
2 Indicates a in-line type attenuator 3 Indicates the attenuation part 4 Polishing type 6 Attenuation
K:AdPC
5 Applicable optical fiber 1:SM
00:0 dB (Through)12:12.5dB,17:17.5dB 01 to N: Attenuation (dB)
Note: This attenuator is used only with the cable assembly shown on the next page.
66
sIn-line attenuators
S M 4.4 6.6 23.7
MU
20 dB
MU-AT
SC
Part Number HMU-PAT-FH-K100 HMU-PAT-FH-K101 HMU-PAT-FH-K102 HMU-PAT-FH-K103 HMU-PAT-FH-K104 HMU-PAT-FH-K105 HMU-PAT-FH-K106 HMU-PAT-FH-K107 HMU-PAT-FH-K108 HMU-PAT-FH-K109 HMU-PAT-FH-K110 HMU-PAT-FH-K112 HMU-PAT-FH-K115 HMU-PAT-FH-K117 HMU-PAT-FH-K120
CL No. 827-0001-8 827-0002-0 827-0003-3 827-0004-6 827-0005-9 827-0006-1 827-0007-4 827-0011-1 827-0012-4 827-0013-7 827-0008-7 827-0014-0 827-0009-0 827-0015-2 827-0010-9
Attenuation 10.5dB 11.5dB 12.5dB 13.5dB 14.5dB 15.5dB 16.5dB 17.5dB 18.5dB 19.5dB 10.5dB 12.5dB 15.5dB 17.5dB 20.5dB
Specification 0.5dB max. 0.5dB
Return loss
Wavelength
Split sleeve
Fiber type
0.8dB 1310nm 1550nm
FC
40dB 1dB 1.2dB ATT10%dB
Zirconia
SM
Harsh Environment
sBack Cable Assembly (2mm diameter cable type)
Back harness
The back cable assembly is supplied by Hirose. Please contact your Hirose sales representative for details concerning your back cable needs, including cable length and mating connector requirements.
Attenuators
HRS JPN
L( +10 %)m 0
sOrdering Information (Back cable assembly)
HMU - PAT
1 1 Series Name HMU 2 Indicates a in-line type attenuator 3 Indicate a back cable assembly 4 Mating connector (Note) 2
BH
3
101 K Q - L
4 5 6 7
Terminators
5 Polishing type K: AdPC 6 Fiber cable type(Note)
Q: SM-9.5/125, diameter 2mm Jacket color: Yellow
7 Cable length
Unit: Meters
011 : FC connector, 2 mm diameter cable 04G : SC connector, 2 mm diameter cable 101 : MU connector, 2 mm diameter cable
Note: These are examples of offered cable assemblies. They will differ depending on the applicable cable diameter and the type of boot. For exact cable assembly specifications, specify the connector type at the mating side and the required total length. Contact your Hirose Electric account representative.
67
BProcedure for Changing the Attenuator Element
Insertion Procedure
MU SC
qAlign the triangle mark of the boot on the back cable assembly with the black indexing mark on the attenuator.
wInsert the back cable assembly
into the attenuator.
eTurn right the back cable assembly
to engage connection lock. After turning, the triangle mark of the boot will be aligned with the attenuation label.
Withdrawal Procedure
FC
Harsh Environment
qPress the back cable assembly toward the attenuator.
wTurn right the back cable assembly
and release the lock.
ePull away the back cable assembly.
Terminators
Attenuators
68

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