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Installing and wiring telephones and trunks
80 Installing and Connecting the MDF and Telephones
Table 9: DS1 cables
Connector cable Description and usage
C6C connector cable 50-feet (15 meters) shielded cable equipped with a 50-pin
male connector on one end and a 15-pin male connector
on the other end.
Use this cable to connect a DS1 tie trunk circuit pack to a
CSU.
C6D connector cable 50-feet (15 meters) shielded cable equipped with a 50-pin
male connector on each end.
Use this cable to connect a DS1 tie trunks in collocated
cabinets.
C6E connector cable 100-feet (31 meters) shielded cable equipped with a
50-pin male connector on one end and a 50-pin female
connector on the other end.
Use this cable as an “extension” cable between the DS1
tie trunk circuit pack and other connector cables.
C6F connector cable 50-feet (15 meters) shielded cable equipped with a 50-pin
male connector on one end and a 3 inch (8 centimeter)
stub on the other end.
Use this cable to connect the DS1 tie trunk circuit pack to
channel multiplexers requiring hardwired connections.
Table 10: Pinout of C6F cable
Wire color Lead
designation
Pin
number
White/Green LI* (High Side) 47
Green LI 22
White/Brown LO 48
Brown LO* (High Side) 23
White/Slate LBACK2 49
Slate LBACK1 24