
Agilent 8156A
Optical Attenuator
Configuration Guide
The Agilent 8156A is a high performance optical attenuator for single and
multimode optical fiber transmission systems. It is available in various
configurations for best possible match to the most common applications.
This configuration guide describes the options available and how they
should be ordered. Options cannot be used without the mainframe Agilent
8156A and two or three connector interfaces, such as the Agilent 81000FI.
The Agilent 8156A is produced to the ISO 9001 international quality
system standard as part of Agilent´s commitment to continually increasing
customer satisfaction through improved quality control.

Agilent 8156A
Mainframe
Agilent 8156A
Option 350
multimode
50/125µm
Agilent
81000AI
connector
Interface
Diamond
-
Back Reflector Setup for Option 100,101,121
Agilent 8156A
Agilent
81000GI
connector
Interface
Agilent 8156A
Option 100
single-mode
>35dB
return loss
Agilent
81000VI
connector
Interface
ST
Output Port
Agilent 8156A
Option 101
single-mode
>45dB
return loss
Agilent
81000WI
connector
Interface
Biconic
Agilent 81000AI
Connector Interface
Diamond HMS-10
Agilent
81000FI
connector
Interface
FC
PC/SPC
Agilent 8156A
Option 121
single-mode
monitor
Agilent
81000KI
connector
Interface
SC
PC/APC
Agilent 81000BR
Agilent 8156A
Option 201
single-mode
>60dB
return loss
Option 203
Back
Reflector Kit
Reference
Reflector
Agilent
81000SI
connector
Interface
DIN 47256
DIN 4108
Agilent 8156A
Option 221
single-mode
monitor
Agilent
81000NI
connector
Interface
FC/APC
Back Reflector Setup for Option 201,221
Agilent 8156A
Output Port
2
Agilent 81000SI
Connector
Interface
DIN 4108
Agilent 81113PC
Pathcord
Agilent 81000FI
Connector
Interface
FC/PC/
SPC/APC
Option 203 Back reflector Kit
Agilent 81000UM
Universal
Trough
Adapter
Agilent 81000BR
Reference
Monitor

Agilent 8156A:
Non-modular mainframe for optical
attenuator
Option 100:
Standard performance version with 35dB
return loss and straight contact
connectors; two connector interfaces
required
Option 101:
High performance version with 45dB
return loss and straight contact
connectors; two connector interfaces
required.
Option 201:
High performance version with 60dB
return loss and angled contact
connectors; two connector interfaces
required.
Option 121:
High performance version with 45dB
return loss and straight contact
connectors built-in monitor output (13dB
tap), three connector interfaces required
Option 221:
High performance version with 60dB
return loss and angled contact connectors
built-in monitor output (13dB tap), three
connector interfaces required
Option 350:
Standard performence version for
µm multimode fibers; two
50/125
conector interfaces required
3

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Product specifications and descriptions in this document subject to change without notice.
Copyright c 2000 Agilent Technologies
November 05 2001
5963-3367E
Related Agilent Literature
Agilent 8156A
Optical Attenuator
Technical Specifications
P/n 5962-8631E