DS1/T1 CPE loopback jack
Issue 7 January 2005
449
Figure 33: Network interface at “dumb” block with repeater line to fiber MUX for an MM710
multi-media module
You are responsible for finding and correcting problems in the customer wiring (section 1 and
the loopback cable portion of section 2). The DS1 service provider is responsible for finding and
correcting problems in the majority of section 2.
Figure notes:
1. Span section 1
2. Span section 2
3. G700 or G350 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. Repeater
9. Fiber multiplexer (MUX)
10. Central office
prdfcs6a KLC 080602
ALM
TST
ACT
1
2
3
4
5
6
8
7
ALM
TST
ACT
1
2
3
4
5
6
8
7
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
10