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Installing and Cabling the Cabinets
90 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
DS1 Tie Trunk Example
DS1 tie trunks provide a 1.544 Mbps (T1) or 2.048 Mbps (E1) digital data service between 2
collocated systems or between the system and a data network. The following cables can be
used:
● C6C connector cable — 50-foot (15.2 m) shielded cable with a 50-pin male connector on
1 end and a 15-pin male connector on the other end. Use to connect a DS1 tie trunk circuit
pack to a Channel Service Unit.
● C6D connector cable — 50-foot (15.2 m) shielded cable with a 50-pin male connector on
each end. Use to connect a DS1 tie trunks in collocated cabinets.
● C6E connector cable — 100-foot (30.5 m) shielded cable with a 50-pin male connector
on 1 end and a 50-pin female connector on the other end. Use as an “extension” cable
between the DS1 tie trunk circuit pack and other connector cables.
● C6F connector cable — 50-foot (15.2 m) shielded cable with a 50-pin male connector on
1 end and a 3 inch (7.62 cm) stub on the other end. Use to connect the DS1 tie trunk circuit
pack to channel multiplexers requiring hardwired connections. See Table 12
for a pinout.
Collocated DS1 Tie Trunks
Two DS1 tie trunk circuit packs can be in collocated systems. A DS1 tie trunk circuit pack in 1
system can connect to a DS1 tie trunk in another system. Use a C6D cable if the distance is
less than 50 feet (15.24 m). If the distance is greater than 50 feet (15.24 m), use a C6E cable.
Note:
Note: The maximum distance between cabinets is 1310 feet (399.3 m).
Table 12: Pinout of C6F Cable
Wire Color Lead Designation Pin Number
White/Green L
I (High Side) 47
Green L
I 22
White/Brown LO 48
Brown LO (High Side) 23
White/Slate LBACK2 49
Slate LBACK1 24