CTI Products IOB I/O Interface - Manual (Page 21)

IOB Hardware Reference Option Switches and Jumpers
CTI Products, Inc.
68-11168-105
16
CA-80024-100
E1 A
E1 B
Figure 3 - Jumper Options
Jumper E1A is located across the top 2 terminals of the 6 pin terminal block. This
jumper is reserved and should not be installed.
Jumper E1B is located across the left side middle and bottom terminals of the 6
pin terminal block. Set this jumper to match the needs of your I/O system.
The remaining 2 terminals of the block are unused.
Jumper Function Default
E1A Reserved OUT
E1B
Vp Set In for inputs pulled up to +5 Vdc.
Out for inputs pulled up to +13.8 Vdc. OUT
Table 14 - Jumper Definitions
Because most installations require the pull-up voltage to be +13.8 Vdc, no jumper
is provided with the unit for the E1B jumper terminals. If you have an application
that requires the pull-up voltage to be set to +5 Vdc, you can order an additional
jumper by calling CTI Products Inc. and ordering part number
27-10351.