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SX-200 General Information Guide
226 Revision A 50003510
SX-200 IP Node
Cabling
The SX-200 EL and SX-200 ML systems use standard male Amphenol 25-pair connectors for
cabling between the system and the main distribution frame (MDF). Cables to all
industry-standard telephones, SUPERSET telephones, and consoles are either 2- or 4-wire
with standard modular connectors.
Cable Lengths
The following rules must be followed for cable lengths between the system and the telephone.
Bridge taps are not permitted.
Cable Lengths Between the PBX and the Telephone
Output Power
Output Voltage Max Current
+3.3 +/- 1.5% 30.0A
+5.0V +/- 1% 8.0A (Total power of 3.3V and 5.0V not to exceed 100W)
+12.0V +/- 7% 3.0A (Hard Disk Drive)
Cable Maximum Length
Twisted-pair cable (24 or 26 AWG) 1000 m (3200 ft.)
Quad cable (22 AWG) 50 m (160 ft.)
Modular line cord 3 m (10 ft.)
T1 trunk card 200.5 m (655 ft.)