Specifications

2. Check that the small plug on the power cable is inserted firmly into the power jack on the
CheckManager 3000.
Solving communications problems
If your CheckManager 3000 does not properly complete transactions:
1. Check that the telephone cable (s) are securely attached into the modular jacks.
2. Check that the wall modular jack is working by connection a telephone set and listening for a
dial tone.
3. Verify correct application is loaded in the CheckManager 3000.
Using an RCB
This document describes the different types of configuration options available with the Line-In-Use
RCB. The RCB senses when a phone line is in use, then prevents any device that is attached to the
blocked RJ11 port (Reader Port) from interrupting the existing connection.
The RCB consists of a single circuit board with three RJ11 (phone-line type) connectors. Figure 1
illustrates the position of the ports on the CheckManager 3000 always connects to the Reader Port.
Rev. 04/19/2006