Avaya 555-233-116 - Manual (Page 152)

DS1/T1 CPE loopback jack
555-233-116 152 Issue 4 October 2002
Figure 31. Network interface at “dumb” block for an MM710 multi-media module
1. Span section 1
2. Span section 2
3. G700 Media Gateway
4. E1/T1 port on an MM710
multi-media module
5. RJ-48 to network interface (up to 1000 ft. [305 m])
6. Loopback jack
7. Dumb block (demarcation point)
8. Interface termination or fiber multiplexer (MUX)
9. Central office
prdfcs8a KLC 080602
ALM TST ACT
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ALM TST ACT
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REMOVE
ALM TST ACT OK TO SHUT DOWN
SERVICES USB 1 USB 2
E1/T1 EIA 530A DCE
ALM TST ACT SIG
EI SO EM SM EO SI
1 2
3
4
5
6
7 8 9