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CHAPTER 3: Configuration
Figure 3-21. DB25/RJ-45 strap locations.
Table 3-11 provides an overview of interface strap functions for the rear interface
cards. Following the table overview are detailed descriptions of each strap’s
function.
Table 3-11. Interface card strap summary.
Strap
Function
Position 1 & 2
Position 2 & 3
JB3
DTE Shield (Pin 1 & FRGND)
Connected*
Open
JB4
SGND & FRGND
Connected*
Open
*Default setting
DTE Shield (DB25 Pin 1) and FRGND (JB3)
In the connected position, this strap links DB25 pin 1 and frame ground. In the
open position, pin 1 is disconnected from frame ground.
JB3
JB4
