Avaya CMC1 manual Network interface at smart jack for a 120A2 or later Icsu

Adding or Removing Hardware

2.Examine the bit-error counts, as in Testing the integrity of data sent over the loop on page 328."

3.Terminate the test. Enter test ds1-loop location end-loopback/span-test.

1.If the tests fails and the there were no problems Testing the DS1 span from the ICSU to the loopback jack or Testing the DS1 span from the smart jack to the network interface termination or fiber multiplexer (MUX), there is a problem between the loopback jack to the smart jack. Work with the service provider to isolate the fault.

Figure 102: Network interface at smart jack for a 120A2 (or later) ICSU

Figure notes:
1.	Span section 1	6.	Loopback jack
2.	Span section 2	7.	Network interface smart jack
3.	Span section 3	8.	Interface termination or fiber multiplexer
4.	120A2 (or later) ICSU		(MUX)
5.	RJ-48 to network interface	9.	Central office
	(up to 1000 ft. [305 m])

332 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways