User's Manual

3CC12426AAAA TQ BJA 01 Issue 01 - April 2001 - Draft 04 115/346
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3.4.3 – Customer access connections (circuits interfaces)
Considerations
This connection involves the use of:
– either direct connectors TNT1 to TNT4, (corresponding to TNT board plug into the chassis) at
the top of the DBS sub-rack, if no distribution frames (cf. § 3.4.3.1 – Direct connections to the con-
nectors of the top panel of the DBS chassis.);
– or the optional distribution frames at the top of the DBS sub-rack in the standard rack (coaxial
cables for the 75 ohm links, balanced pair cables for the 120 ohm links cf. § 3.4.3.2 – Connections
to 75 ohm coaxial distributors and § 3.4.3.3 – Connections to 120 ohm distributors).
Note: the provided equipment is already connected and parts of the installation kit.
3.4.3.1 – Direct connections to the connectors of the top panel of the DBS chassis.
Note: All connectors are female connectors.
Figure 93 – Top panel DBS connections: connectors location
ALL CUSTOMER ACCESS CABLES MUST BE SHIELDED TYPE
DO NOT REMOVE THE COVER ON CONNECTOR TEST J113
TEST#1
NMS
(10baseT)
SYNCHRO
2,048Mz
ALARMS
I/O
TNT#1
E1/T1#1–8
TNT#1
E1/T1#9–16
TNT#2
E1/T1#1–8
TNT#2
E1/T1#9–16
TNT#3
E1/T1#1–8
TNT#3
E1/T1#9–16
TNT#4
E1/T1#1–8
TNT#4
E1/T1#9–16
TEST#2
J101
J102
J104
J103
J105 J106 J107 J108 J109 J110 J111 J112
J113