May 2001System Hardware Manual 5 - 157A6-324000-642-01 – Release 4.0May 20015.3.4 Installing the VDH2(8)-U13✆ A maximum of 9 VDH2(8)-U13 ETUs can be installedin the Xen Master system (maximum of 72 ports), 3per KSU in slots S1~S8.✆ A maximum of 3 VDH2(8)-U13 ETUs can be installedin the Xen Axis system (maximum of 24 trunks), inslots S2~S7.✆ The 10Base-2 ports on the VDH2(8)-U13 ETU use4-wire polar cables.✆ When connecting a VDH2(8)-U13 ETU to a multilineterminal, avoid using under-carpet cables becausethe device becomes susceptible to outside noises. Itis better to use EIA/TIA round cables instead of flatcables. If under-carpet cables are used, you mustfollow the installation instructions provided by thecable manufacturer. Also consider these precautions:+ Limit the under-carpet cable length to 20 metres.+ When using multiple pair cabling to connect theVDH2(8)-U13 units to the multiline terminal, donot include analogue lines in the same cable.✆ When connecting a VDH2(8)-U13 ETU, use the FCE-U13 Unit for proper wiring. Lead the cable connectedto the ETUs out through the clamp on the KSU asshown in Figure 5-31 Front Cover Extender forVDH2(8)-U13 ETUs. Refer to Installing a Front CoverExtender (FCE-U13 Unit) in Chapter 4.Figure 5-31 Front Cover Extender for VDH2(8)-U13 ETU s
