CTI Products OTAL On-the-Air Driver Assembly - Manual (Page 14)

CTI Products, Inc. OTAL Driver Assembly User Guide
COR IIB TO OTAL D RIVER PCB
The COR IIB is connected to J3 on the OTAL Driver board through a ribbon cable as follows:
COR IIB J1 IIB I/O IIB Function
OTAL Driver PCB
Connector J3
OTAL System
Function
1 Gnd Ground 1 Ground
4 I Link Fail Enable 7 Ground
29 I Link Fail Invert 8 Ground
30 O Fail 8 / Link Fail 10 LinkUp2
19 O Rx 1 37 COR 1
44 O Rx 2 38 COR 2
12 O Rx 3 23 COR 3
37 O Rx 4 24 COR 4
6 O Rx 5 11 COR 5
31 O Rx 6 12 COR 6
18 O Rx 7 35 COR 7
26 O Rx 8 2 COR 8
All signals are active low.
The Link Fail Enable and Link Fail Invert signals are inputs to the IIB. They are read only at power-up of the
IIB. Therefore, the IIB must be connected to the Otal Driver PCB before it is powered up. Otherwise, the Link
UP signal will not be active.
Internal Connections 14