Installing Single Line Telephones; Single Line Extension Cabling (Figure 3-5); Installing A Single Line Telephone (Figure 3-5) - NEC UX5000 Hardware Manual

S 3-6
ECTION

INSTALLING SINGLE LINE TELEPHONES

3.6.1

Single Line Extension Cabling (Figure 3-5)

Each single line extension requires one-pair twisted station cable from the MDF to the modular jack. A
maximum of 24 2-wire extensions can be installed per 50-pin 66 block.
To connect station cabling:
1. Punch down one pair 24 AWG station cable for each single line telephone to a cross-connect block.
2. Punch down cross-connect from the clips on the cross-connect block to their corresponding clips on the
extension (B) block.
3. Connect the extension (B) block's 25-pair cable to the corresponding RJ-61 connector on the blade.
4. Install bridging clips on the extension (B) block.
3.6.2

Installing a Single Line Telephone (Figure 3-5)

To install a single line telephone:
1. Install a modular jack for each single line telephone. The modular jack should be within six feet of the
phone.
2. For each extension, run one-pair 24 AWG station cable from the cross-connect block to a modular jack.
3. Terminate the extension leads to GRN/RED of the modular jack. Terminate the unused leads to the jack.
Chapter 3
YEL
BLU-WHT
RED
Figure 3-5: INSTALLING A SINGLE LINE TELEPHONE
Chapter 3 - Installing Extensions and Trunks
BLK
WHT-BLU
Cross
GRN
Connect
Block
"B"
Block
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