Section 3: Installing Extensions and Trunks
3-4 Section 3: Installing Extensions and Trunks Aspila EX Hardware Man-
INSTALLING SINGLE LINE TELEPHONES
Single Line Extension Cabling
Each single line extension requires one-pair twisted station cable from the MDF to the Master type line
jack unit. Refer to Section 7: Specifications and Parts List (page 7-1) for maximum cable lengths.
Installing a Single Line Telephone
To install a single line telephone:
1. Install a line jack for each single line telephone. The line jack should be within two metres of
the phone.
2. For each extension, run one-pair station cable to a master line jack unit.
3. Terminate the pair to pins 2 & 5 of the line jack. Refer to Analogue Station (8SLIU) PCB
(Figure 2-9) (page 2-19) for details of the RJ61 connector pin outs.
The SLIU extension ports are not polarity sensitive.
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