IES-1000 User’s Guide
8-4 Hardware Troubleshooting
tests to be done. Suppose you’re using installation scenario “B” as shown in the chapter on MDF connections. The
logic for other scenarios should be similar.
Use steps A-D if there is no voice but you can transmit data. Use all of the steps if there is no voice and you
cannot transmit data.
A. Test A determines if there is a wiring problem between the TELCO (telephone company) and MDF 1.
B. Test B determines if there is a wiring problem between MDF 1 and MDF 2.
C. Test C determines if there is a wiring problem between MDF 2 and your device.
D. Test D determines if there is a problem with your device’s internal splitter.
E. Test E determines if there is a wiring problem between your device and MDF 3.
F. Test F determines if there is a building-wiring problem between the subscriber’s wall jack and MDF 3.
Figure 8-1 Testing In-house Wiring
Table 8-7 Testing In-house Wiring
STEP TEST
A Connect a standard telephone to MDF 1. If there is no dial tone, then a problem with the wire or wire
connections between MDF 1 and the TELCO exists. Contact your telephone company for
troubleshooting.
B Connect a telephone to the upper port of MDF 2. If there is no dial tone, then the problem is between
MDF 1 and MDF 2. Check the telephone wire and connections between MDFs 1 and 2.
