Installing Extensions; Extension Cabling; Installing A Digital Terminal - NEC UX5000 Hardware Manual

Chapter 3 - Installing Extensions and Trunks
S 3-5
ECTION

INSTALLING EXTENSIONS

3.5.1

Extension Cabling

Each digital 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 block.
1. Punch down one pair 24 AWG station cable for each key telephone to a cross-connect block.
2. Run one-pair cross-connect from the cross-connect block to the extension (B) block for each extension.
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.
3.5.2

Installing a Digital Terminal

1. Install a modular jack for each extension. The modular jack should be within six feet of the terminal.
2. For each extension, run one-pair 24 AWG station cable from the cross-connect block to a modular jack.
Ground the unused pair.
3. Terminate the extension leads to GRN/RED of the modular jack. Terminate the unused leads to the jack.
4. Secure the line cord to the terminal as shown below.
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Figure 3-4: LINE CORD CONNECTION
Chapter 3