915681-00 Rev A MSO-3M Instruction Sheet Page 1 of 2
OVERVIEW
Included with the MSO-3M cable shipment are the following:
• Qty 1 - 18 channel 3M connector cable
• Qty 1 – MSO-3M Instruction sheet (this document)
OPERATING ENVIRONMENT
Before using the MSO-3M cable, ensure that its operating environment will be maintained within
these parameters:
Temperature: 5 to 40 oC
Humidity: < 80% RH (non-condensing)
SAFETY REQUIREMENTS
CAUTION
To avoid personal injury or damage to the MSO-3M or any equipment connected to it, review and
comply with the following safety precautions.
• Use only as intended. The MSO-3M cable is intended to be used only with LeCroy
MS-250, MS-500 or MS-500-36 Mixed Signal Oscilloscope options. Use of the
MSO-3M and/or the equipment it is connected to in a manner other than specified may
impair the protection mechanisms.
• Connect and disconnect properly. Avoid damage to cables thru excessive bending.
When disconnecting the MSO-3M cable from the MS-250, MS-500, MS-500-36 or
Device Under Test NEVER pull on the blue wires, pull only the black plastic housing.
• Do not use in wet/damp or explosive atmospheres.
• For indoor use only. The MSO-3M cable and associated test equipment is intended
for indoor use and should be operated in a clean, dry, environment.
• Do not operate with suspected failures. Do not use the product if any part is
damaged. All maintenance should be referred to qualified service personnel.
BASIC OPERATION
Connecting the MSO-3M to the MS-250 or MS-500
• Connect the end of the cable labeled D0 – D17 to the corresponding input of the MS-250
or MS-500 labeled D0 – D17 and fasten thumb screws
Note: MS-500 can be operated in 36 channel mode by using two MS-3M cables however both
MSO-3M cables will be labeled D0-D17.
915681-00 Rev A MSO-3M Instruction Sheet Page 2 of 2
Connecting the MSO-3M to the Device Under Test
• The MSO-3M cable mates with the following 3M Through-Hole 2500 series
connectors
2520-6002 (straight)
2520-5002 (right-angle)
Looking into the 3M Connector:
Connector Pin # 1 3 5 7 9 11 13 15 17 19
NC D16 D14 D12 D10 D8 D6 D4 D2 D0
D17 D15 D13 D11 D9 D7 D5 D3 D1 Gnd
Connector Pin # 2 4 6 8 10 12 14 16 18 20
SPECIFICATIONS
Input Impedance 100 kΩ
Attenuation 10:1
Maximum Input Voltage < 30 Vpk
All specifications are for the MSO-3M cable used with the MS-250, MS-500 or MS-500-36
Max. V
IN
versus Frequency
Note: Max V
IN
< 30V (DC + Peak AC)
0
5
10
15
20
25
30
35
1 M 10 M 100 M 1000 M
Frequency (Hz)
V
IN
(Vrms)
