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J1/P1 CONNECTOR
Connection to Jl is through a thirty-four-pin circuit
board connector. Figure 3-3 contains the dimensions
of this connector. The pins are numbered 1 through
34. The even pins are located on the solder side of
the circuit board. A key slot is provided between Pins
4 and 6. The recommended mating connector for PI
is AMP ribbon connector
PIN
88383-3, without ears.
J2/P2 CONNECTOR
Connection to J2 is through a twenty-pin circuit board
edge connector. Figure 3-4 contains the dimensions
of this connector. The pins are numbered 1 through
20. The even pins are located on the solder side of
the circuit board. The recommended mating connec-
tor for P2 is AMP ribbon connector
PIN 88373-3,
without ears. A key slot is provided between Pins 4
and 6.
J3/P3 CONNECTOR
D. C. power connector J3 is a four-pin AMP Mate-
N -Lok connector,
PIN
1-480426-0. The recommended
3-8
mating connector, P3, is AMP
PIN
1-480424-0, utiliz-
ing AMP pins
PIN
60619-4. J3 pins are labeled on
the J3 connector (see Figure 3-5). J3 cabling must be
18 AWG, minimum.
FRAME GROUND CONNECTOR
The frame ground connector is Faston AMP
PIN
61761-2. The recommended mating connector is AMP
PIN
62187-1. To realize error rates (see Table 2-2),
it must be connected directly to the centrally located
logic ground via an 18 AWG, minimum, cable.
3.6
INTERFACE LINE
DESCRIPTIONS
The interface for the TM362 and TM262 drives is
available in one configuration.
It
is compatible with
ST506/412
industry standard drives. Compatibility is
defined as using the same pin assignment where the
signal and function are common. Table 3-1 contains
pin assignments.
The interface may be connected in the radial or daisy
chain configuration (see Figures 3-7 and 3-8).
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