AT&T 75 - Page 434

66-TYPE HARDWARE
connecting blocks. The 183B-type backboards can mount 8 66M1-50 or 157B connecting
blocks. A blue 183C-type backboard is available that will mount only 2 66M1-50 or 157B
connecting blocks. White backboards that are used for connections to satellite closets can be
obtained from outside venders.
183-TYPE BACKBOARD ORDERING INFORMATION
Code
Color
Mounts Comcode
183A1
Blue
4-66M1-50 or 157B
101 412 963
Connecting Blocks
183A2 Green
4-66M1-50 or 157B
101 412 971
Connecting Blocks
183A4 Purple
4-66M1-50 or 157B
101 937 902
Connecting Blocks
183A5 Yellow
4-66M1-50 or 157B
101 986 446
Connecting Blocks
183B1 Blue
8-66M1-50 or 157B
101 412 989
Connecting Blocks
183B2 Green
8-66M1-50 or 157B
101 564 631
Connecting Blocks
183B4
Purple
8-66M1-50 or 157B
101 937 928
Connecting Blocks
183C1 Blue
2-66M1-50 or 157B
103 222 790
Connecting Blocks
Figure 4-4. 183A-Type Backboard
4-8