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SMART-MR10/15 User Manual Rev 5 87
A.4.3 Custom Connector and Cable Requirements
Custom cables for installing your SMART-MR10 or SMART-MR15 can be created using the
following guidelines:
• Conductor size must be 20 AWG (0.032 inches, 0.81 mm in diameter) to 16 AWG (0.051 inches,
1.29 mm in diameter)
• Wire outside diameter, including insulation, must be between 0.086 in. (2.2 mm) and 0.098 in.
(2.5 mm) in diameter
• Insulator material must have a smooth finish
• Batt + connection must be protected by a user-supplied fuse. NovAtel recommends an automotive
blade-type fuse, rated for 5A with an operating voltage of more than 36V.
• Serial data signals (TxD, RxD, signal ground) must be run in shielded cable.
Connect shields to ground at the SMART-MR end only
• CAN signal conductors must be twisted (40 twists/m, 12 twists/ft)
• Use only the recommended mating connectors listed below. Use only gold plated pins
The connector used in the SMART-MR10/15 is an “AMPSEAL” dust and water sealed type produced
by Tyco. The following part numbers pertain to the mating connector required to make connections to
the SMART-MR10/15. These numbers are provided for information only and are not available from
NovAtel as separate parts.
Table 13: Mating Connectors
Table 14 details the part numbers for recommended fuses. These numbers are provided for
information only and are not available from NovAtel as separate parts.
Table 14: Recommended Fuses
Failure to observe the given cable construction requirements in this section
will result in damage to the wiring (not covered by warranty).
Product Part Description Company Part Number
SMART-MR10 mating connector (see Figure 36,
SMART-MR10/15 Evaluation Cable on Page 83 and
Figure 37, SMART-MR10/15 Streamlined Cable on
Page 85)
23-pin sealed
receptacle
housing black
Tyco/
AMP
770680-1
Gold plated pins for SMART-MR10/15 connector/
loose
Pins, loose
piece
Tyco/
AMP
770854-3
Gold plated pins for SMART-MR10/15 connector/strip Pins, strip (reel) Tyco/
AMP
770520-3
Fuse Type Recommended
Blade Fuse 58V 5A Littelfuse 142.6185.450
Mini Blade Fuse 58V 5A Littelfuse 0997005