NEC SL1100 Cabling Requirements
• Do not run extension cable in parallel with the AC source, telex or computer etc. If the cables are near cable runs to those devices, use shielded cable with grounded shields or install the cable in conduit.
• When cables must be run on the floor, cable protectors must be used.
• Cable runs for Multiline Telephones, DSS Consoles, Single LineTelephones, and Doorphone Boxes must be a dedicated, isolated cable pair.
• Aerial distribution cabling is not allowed.
• Trunk Lines must be installed with lightning protectors.
• Do not use 4-wire cabling for SLT connections.
2.18 Cable Requirements
Table 5-15 Cable Requirements
Device Cable Type Cable Run Length MultilineTelephone 24 AWG (Φ0.5 mm) 300 m (984.3 ft) Multiline IPTelephone CAT5 Straight Cable 100 m (328.1 ft) DSS Console 24 AWG (Φ0.5 mm) 300 m (984.3 ft) Single LineTelephone AnalogTerminals
(20mA) 24 AWG (Φ0.5 mm) 1,125 m (3,691ft)
Doorphone Box 24 AWG (Φ0.5 mm) 150 m (492.1 ft) CPU LAN Port to External Device Ethernet Cross Cable 100 m (328.1 ft) CPU LAN Port to Switching Hub Ethernet Straight Cable 100 m (328.1 ft)
ISDNTerminal 4-wire, 24 AWG (Φ0.5 mm) 100 m (328.1 ft) (P-MP Short -passive)
300 m (984.3 ft) (P-MP Long -passive) 500 m (1,640.4 ft) (P-P)
1228ME-B EXP Ethernet Straight Cable (Attached to
1228ME-B EXP)

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