3Com 3C13886 Installation Guide - Page 57
Table 3-7, Description, Description of the LEDs on Router T1Voice Module panel
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3Com Router Module Guide Chapter 3 Multifunctional Interface Modules Figure 3-17 Router T1 Voice Module panel Description of the LEDs on Router T1 Voice Module panel is given in the following table. Table 3-7 Description of the LEDs on Router T1Voice Module panel LED Description LINK OFF means no link is present; ON means a link is present. ACTIVE OFF means no data is being transmitted or received; blinking means data is being received or/and transmitted. 3.3.5 Interface Cable Router T1 Voice Module interface cables are 100-ohm balanced shielded twisted pairs. At one end of each cable is a DB-15 male connector for the connection to a Router T1 Voice Module module, and at the other end is an RJ-45 connector for the connection to the voice device, as shown in the following figure: Figure 3-18 Router T1 Voice Module cable In addition, you may use a network interface connector to extend a Router T1 Voice Module cable. 3-13