Nortel Networks 1000M warranty To ground/protective

Page 124 of 456 Installing DC power

next as illustrated in Figure 45, connecting all of the columns together (or run a #6 AWG wire from the ground source to each column individually).

Note 1: Use only insulated ground wire for system grounding.

Note 2: The safety ground/protective earth wire must be routed within the cable-tie saddles and under the cable restraint bar at the base of the pedestal.

5Place a warning tag on the connection at the ground source. The warning tag should read: “WARNING—TELEPHONE SYSTEM GROUND CONNECTION—DO NOT DISCONNECT.”

Figure 45

DC column ground lug daisy-chain connection.

J3 J5 J6 J4

FLTR / PWR DIST

UNIT ASSY

+ + LRTN

553-8997

EACH INPUT CIRCUIT MUST BE PROVIDED WITH A

LISTED FUSE OR CIRCUIT BREAKER SUITABLE FOR

BRANCH CIRCUIT PROTECTION, RATED 30A.

J3 J5 J6 J4

FLTR / PWR DIST

UNIT ASSY

+ + LRTN

553-8997

EACH INPUT CIRCUIT MUST BE PROVIDED WITH A

LISTED FUSE OR CIRCUIT BREAKER SUITABLE FOR

BRANCH CIRCUIT PROTECTION, RATED 30A.

BLO CB0 CB1

CB2 CB3 BLO CB0 CB1 CB2 CB3

From	To ground/protective	Terminate on
ground source	earth lug (or service panel)	last column
		553-8995
	End of Procedure

NN43021-310 Standard 02.01 December 2007