Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
System 50
System 50
SCHEMATIC: PART NO. 70MRCQ24 AND 70GRCQ24
Part Number I/O Description UL CSA Style
70MRCQ24-EC 24 Card edge X X Mini
70MRCQ24-HL 24 50-pin header with ejector levers X X Mini
70GRCQ24-HL 24 50-pin header with ejector levers X X G5
ORDERING INFORMATION
Available from your local Grayhill Distribu-
tor. For prices and discounts, contact a local
Sales Office, an authorized local Distributor, or
Grayhill.
(modules ordered separately)
System 50
24
–
+
49
47
45
43
41
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
1 A FUSE
FIELD WIRING
TERMINAL STRIP
MODULE
POSITION
ALL
EVEN
PINS
2-50
PULL UP RESISTOR
NETWORK 3.3 KW
(3 PLACES)
0 1 2 3 4 5 6 7 8 9 10 11
123456789101112 131415161718192021222324
1
2
3
4
5
23 22 21 20 19 18 17 16 15 14 13 12
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
5
4
3
2
1
50 PIN
CONNECTOR
MODULE
POSITION
LOGIC SUPPLY
TERMINAL STRIP
OPTIONAL
1A FUSE
5A FUSES
(MINI RACKS ONLY)
5A FUSES
(MINI RACKS ONLY)
LED STATUS
INDICATORS
(MINI RACKS ONLY)
LED STATUS
INDICATORS
(MINI RACKS ONLY)
