Patton electronic X.21 Interfaces, 2707C, 2707D Operation, Power-Up, LED Status Monitors

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5.0 OPERATION

When the Model 2707 has been properly conﬁgured and installed, it should operate transparently. This sections describes power-up, LED status monitors, and the built-in loopback test modes.

5.1 POWER-UP

Before applying power to the Model 2707, please read section 4.3, “Power Connection” on page 11 and ensure that the unit is properly connected to the appropriate power source.

5.2 LED STATUS MONITORS

The Model 2707 features six front panel LEDs that monitor connections on the G.703 and signaling, error and test modes. Figure 6 shows the front panel location of each LED. Descriptions of each LED follow Figure 6.

	Figure 6. 2707 Front Panel
E1 Link	(Active Green) Solid green (On) indicates that
	the end to end E1 Link is up, signifying that the
	link is active. The E1 Link LED is Off when the
	link is down.
TD & RD	Glows yellow to indicate an idle condition of
	Binary “1” data on the respective terminal inter-
	face signals. Green indicates Binary “0” data.
TM	(Active Yellow) Solid Yellow indicates an
	Active Test Mode. The unit may be placed
	in test mode by the local user.

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Contents User Manual An ISO-9001 Certiﬁed CompanyInstallation Warranty InformationConfiguration General InformationCE Notice Warranty InformationFCC Information Service Tel 301 Mailsupport@patton.comDescription FeaturesGeneral Information Configuration DIP Switch ConfigurationPosition Function Factory Default Selected Option Switch SW1-1 through SW1-8Switch SW1-1 Line Coding HDB3 default SW1-1 Line EncodingSW1-2 Local Loop Inactive default SW1-2 SettingSW1-8 Setting SW1-8 Enable/Disable Loop Tests from DTEClock Mode SW1-6 and SW1-7 Clock ModesOpening the Case InstallationConnecting to the G.703 Network Connecting to a DTE Device Connecting the Twisted Pair 120 Ohm to the G.703 NetworkConnecting the Serial Port Connecting to a DCE DevicePower Connection Universal AC Power 100-240VACDC Power To Power Supply JackLED Status Monitors POWER-UPOperation Local Loop Diagnostics Operating Local Loopback LLAppendix a Model 2707, G.703 Specifications Signal Appendix B Model 2707, Interface PIN AssignmentAppendix B Pin # Signal Appendix C Model 2707, Interface PIN AssignmentAppendix D Model 2707, Factory Replacement Parts Accessories Model # Description