Multi-Tech Systems Modem Module MT3334SMI - Manual (Page 16)

ModemModule Developer’s Guide
MT3334SMI 16
MT3334SMI Placement
Figure 1-8 illustrates where to place the MT3334SMI on a typical Motherboard. It must be placed so
that the analog end is near the phone jack.
A
D (Power and GND)
D (Analog)
B or C
Note: The locking end of C should
go in the Motherboard.
E (Digital)
A to D Barrier
(Shown for Reference Only)
0.035 [0.889] Drill with 0.060 [1.524] Pad
0.125 [3.175] Non-Plated
1.732
[44]
.750
[19.05]
.0787 TYP
[2]
.145
[3.683]
.945
[24.003]
G
Note: The modem should be placed with the
analog pins as close as possible to the line jack.
F
Figure 1-8: Placing the MT3334 SMI on a Typical Circuit Board
Key:
Qty Ref Name Description
1 A Reference Generic Motherboard
1 B or C Recommended RICHO DLMSP-4-01 Support Post
1 C or B Recommended RICHO MSP-4-01 Support Post
2 D Recommended 4-Pin 2mm SIP Socket (Thomas & Betts 42J2-04)
2 E Recommended 10-Pin 2mm SIP Socket (Thomas & Betts 42J2-10)
1 F Reference Socket Modem Assembly
1 G Reference Line Jack