MODEL 1073A QUICK SETUP GUIDE
Introduction
This document covers the basics of getting the Model 1073A unpacked, installed and running.
For complete details covering the Model 1073A, please consult the operation manual available for
download from www.arbiter.com, or purchase a printed copy through Arbiter Sales.
Unpacking
Several accessories included with the clock are located inside the packing material. A rack-mount
kit (AS0028200) accompanies every Model 1073A, and versions with Option 07 power inlet have
a power cord for the specific country. Inlet Option 08 and 10 do not come with a power cord and
must be wired directly.
Attaching Mounting Hardware
Each rack-mount ear is attached with two M5x10 mm pan head screws; one rack-mount ear on each
side of the clock. To mount them, first remove the two pan head screws securing the clock cover on
one side of the clock. Place a rack-mount ear against that side of the clock, as show below. Insert
the two screws on that side of the clock and tighten. Repeat with the other rack-mount ear on the
opposite side.
NOTE: Mount screws through lower set of holes.
1073A DISTRIBUTION AMPLIFIER
O
I
OPERATE
ON/
OFF
Configuring Operation
Your Model 1073A comes with default settings so that each input drives the four outputs for each
channel separately: Channel A input drives the four Channel A outputs, Channel B input drives
the four Channel B outputs, and Channel C input drives the four Channel C outputs. To configure
the operation differently from the default settings, please consult the operation manual, either as
a free download from www.arbiter.com, or by ordering a printed manual from Arbiter Systems.
CHANNEL C CHANNEL B CHANNEL A
OUTPUT OUTPUT OUTPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT
G – +
FUSE 1AF/250V
110 – 250 Vdc
85 – 264 Vac
47 – 440 Hz
3W Typ.
J15 J14 J13 J12 J11 J10 J9 J8 J7 J6 J5 J4 J3 J2 J1
U1, Opt. Fiber In
If you want to drive all 12 outputs from Channel A input you will need to move jumpers JMP9
and JMP16 from position A to position B.
Rear Panel Layout
The rear panel is arranged in the the following manner, left to right:
• Five BNC type connectors, corresponding to channel C input and outputs.
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• Five BNC type connectors, corresponding to channel B input and outputs.
• Five BNC type connectors, corresponding to channel A input and outputs.
• One opening for an optional fiber-optic input connector (Option 01). If not used, it is covered
by a plastic hole plug.
• Option 07 provides an IEC-320 power inlet connector with fuse compartment. Options 08 or
10 provide a 3-pole terminal strip and separate fuse holder.
Option 01 – Fiber Optic Input
Option 01 provides an 820 nm, Type ST optical fiber input for channel A. Channels B and C may
also be driven from the Option 01 fiber optic input. If your 1073A came with Option 01 installed,
only Channel A outputs will be driven by the fiber optic input. To configure Channels B and
C outputs to be driven from Option 01 fiber optic input, move jumpers JMP9 and JMP16 from
position A to position B. All 12 output channels will then receive the same input signal as provided
by Option 01. If you need to configure these differently, please consult the operation manual.
Option 04 – On/Off Switch
Use the On/Off switch to power on the Model 1073A. If your 1073A does not have a On/Off switch
the unit will be powered on when you connect power to the inlet connector.
Energizing the 1073A
Before connecting voltages to the clock, make sure to read the power inlet label to verify the correct
voltage. Make sure that the voltage you are connecting is in the correct range supplied on the label.
The figures shown below indicate the three types of inlet supply connectors available. For Option
07, a fuse is located behind a snap-fit latch on the right side of the connector. For Options 08 and
10, a fuse is located to the right of each power inlet terminals.
G – + FUSE
10 – 60 Vdc 2AT/250V
10 – 60 Vdc
DC ONLY
<20W Typ.
Ground Negative Positive Label
Fuse
Fuse
Compartment
Line
Neutral
Ground
85-264 Vac
47-440 Hz
110-370 Vdc
<20 W Typ.
Fuse
1AF/250V
Option 07 Option 08
G – +
FUSE 1AF/250V
110 – 350 Vdc
85 – 250 RMS
47 – 440 Hz
<20W Typ.
Ground Negative Positive Label
Fuse
Option 10
Label
Additional Help
For complete details concerning the setup and operation of the Model 1073A, please go to www.arbiter.com
and download the operation manual from the Model 1073A product page. A printed manual
(AS0045800) is also available for purchase. See the contact information for Arbiter Systems
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Document No. PD0053200A
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Arbiter Systems, Inc. · 1324 Vendels Circle Suite 121 · Paso Robles, CA 93446 · USA · 1.805.237.3831 ·
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