Input Output Blocks Graphic
Figure 13: NIE29 Series Output Terminal Blocks, Binary Output Jumpers, and Supply Power Terminal Block
Figure 14: Universal Input and Binary Input Terminal Blocks
Wiring Rules and Guidelines for Network Integrations
Table 1: N2 Bus Network Rules
Rules/Maximums Allowed
Category
One N2 trunk network supported (on NIE291x models only).
Only daisy-chained devices (with maximum stub length of 3 m [10 ft] to any device)
General
Up to 32 N2 devices supported on the trunk.
Number of Devices
Supported
1,500 m (4,921 ft) twisted pair cable
2,000 m (6,561 ft) between two fiber modems
Cable Length and Type
Solid or stranded 1.0 mm (18 AWG) 3-wire is recommended. Solid or stranded 0.5 mm (24 AWG)
larger 3-wire or 4-wire (two twisted-pairs) is acceptable.
Note:
The + and - bus leads should be a twisted pair. On applications using 4-wire (two
twisted-pairs) cable, isolate and insulate unused conductor.
Cable
N2 devices are self terminating and have no end-of-line (EOL) setting.
Bus Termination
14
NIE29 Installation Instructions