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Engineering Orderwire (EOW) 50
OnSite Series Getting Started Guide 4 • System Management Access
Figure 21. Location of signal pins on the EOW port (AUX 1) RJ-11 connector
The EOW port supports dual-tone multifrequency (DTMF) signaling to identify EOW stations within an
OnSite OS-10 subnetwork. Each EOW station is identified with a programmable 3-digit station ID number.
To configure the engineering orderwire (EOW) function, see Figure 16 and follow these steps:
1. Select the SYSTEM folder from the navigation menu.
2. From the expanded SYSTEM folder, select Management Access.
3. From the expanded Management Access folder, select Orderwire.
Note If you see that the physical connector for the AUX 1 port is present
but the Orderwire selection does not appear on the folder, check first
that the system is operating using Release 4.3 or above.
4. On the Orderwire page, check that the AUX Board shows Installed and that the Operational Status is in-
service (IS).
Note If the AUX Board shows Not Installed or the Operational Status is
out-of-service (OOS), and you see that the physical connector for the
AUX1 port is present, contact your local systems engineer or regional
OnSite support center for additional technical information.
5. On the Orderwire page, set the Station ID for the system.
Note The Station ID needs to be a unique 3-digit number for each EOW
station within an OnSite subnetwork. The available range of station
ID numbers is 001 to 255.
To prevent electrical shock, never touch uninsulated wires or terminals when
the phone line is plugged into the RJ-11 connector of the EOW port (AUX 1).
WARNING