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Symmetricom 5071A User Manual

Symmetricom 5071A
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Chapter 1 Getting Started
The 5071A at a Glance
Operating and Programming Manual 7
Rear-Panel Connections
The item numbers in Table 1-1 correspond to the callouts in the adjacent
illustration on pages 5 and 6.
Table 1-1. Connector Descriptions
Item
Number
Function
Connector
Type
Signal
Characteristics
Program
Control
Page
Reference
1
Output- Port 1,
5 or 10 MHz
Type N Female
Sinusoidal, 1 Vrms into 50Ω,
Nominal
YES
17, 23, 75,
89, 112
2
Output- Port 1,
5 or 10 MHz
Type N Female
Sinusoidal, 1 Vrms into 50Ω,
Nominal
YES
17, 23, 75,
89, 112
3
1 MHz Output
BNC Female
Sinusoidal, 1 Vrms into 50Ω,
Nominal
NO
23, 112
4
100 kHz Output
BNC Female
Sinusoidal, 1 Vrms into 50Ω,
Nominal
NO
23, 112
5
1pps Outputs
BNC Female
1pps, 20 µs wide, TTL
compatible, into 50
YES
10, 19, 20,
114
6
1pps Sync Input
BNC Female
100 ns to 100 µs wide, +2 to
+10V into 50ΩTTL) Threshold
YES
10, 19, 20,
114
7
Status Output,
Active Low
BNC Female
TTL Open Collector, 1.6 kΩ pull-
up to 5V
YES
90, 102
8
Remote Data
Transmission
9Pin, Male,
D-sub
miniature
RS-232C, DTE Configuration
YES
5, Chap 4,
Chap 5
9
Internal
Standby
Battery
Disconnect
Switch Access
N/A
Switch disconnects Internal
Standby Battery.
NO
5, 28, 129
10
External dc
Power
5-Pin Cannon,
Series ME
22-42 Vdc, 100 Watts, Pinout:
+22 to +42 Vdc (pin A), Neg. dc
(pin C), Chassis Gnd (pinE),
pins B and D are not used
NO
5, 126
11
External dc
Power Fuse
Cartridge Fuse
Fuses external dc power,
5 Amp fuse
NO
5, 128
12
AC Power Input
and Fuse
3-prong,
Grounded
120/240 Vac, 1.5/0.75 Amp
slow-blow fuse.
NO
5, 120
48V
Option
13
DC Power Fuse
Cartridge Fuse
Fuses external dc power, 2.5 amp,
250 volt rating (P/N 2110-0952)
NO
6, 120
14
Ext DC Power
Input
5-Screw
Terminal Strip
40-58 Vdc, 100W Max, as labeled
on rear panel
NO
6, 127
** Note: Items 9, 10 and 11 are not present on 48V option instruments.

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Symmetricom 5071A Specifications

General IconGeneral
BrandSymmetricom
Model5071A
CategoryMeasuring Instruments
LanguageEnglish

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