AT&T 75 - Installing Cables between Switch Cabinet and the Cross-Connect Field; Installing Coupled Bonding Conductor Grounding

66-TYPE HARDWARE
Installing Coupled Bonding Conductor Grounding
A coupled bonding conductor must be tie-wrapped to all trunk cables. The coupled bonding
conductor connects to the cabinet single-point ground block and runs all the way to the
approved ground located nearest the telephone company-owned protector block at the
building cable entrance facility (see Figure 4-35).
Note: Approved ground is defined in the AT&T System 75—System Description (555-
200-200) or AT&T System 75 XE—System Description (555-201-200).
NOTE: AT THIS POINT, THE ORDER
OF PREFERENCE FOR THE
COUPLED BONDING CONDUCTOR
IS AS FOLLOWS:
1.
CONTINUOUS METALLIC CABLE SHEATH
2.
10 GAUGE (6.88 MM) STRANDED WIRE
(TIE-WRAPPED TO CABLES)
3.
SIX GOOD UNUSED CABLE PAIRS.
4.
A COMBINATION OF THE ABOVE.
Figure 4-35. Coupled Bonding Conductor Grounding Installation
Installing Cables Between Switch Cabinet and the Cross-Connect Field
Before starting the following procedure, refer to Routing Cables From Switch Cabinet
to Cross-Connect Field guidelines. Also, all lead designations for the purple field should
have been previously labeled on the 66-type connecting blocks as described under the heading
Labeling the Cross-Connect Field.
1.
Install self-stick port labels or write the labeling information on the back of the
cable connectors for the first switch cable.
Note: Labeling should not be obscured by the switch cabinet 25-pair
connector retainers.
4-58