Page 3 - Panel Layout
— 2 — Panel Layout V1 V2 INPUTS: 24 VDC PWR2 V2+ V2- V1- V1+ FAULT PW R1 123 456 78 ON DIP PORT ALARM Top Panel View 1 2 3 4 Rear Panel View 1 2 13 12 12 Front Panel View 8 9 10 2 567 11 1. Grounding screw 2. Terminal block for power inputs PWR1/PWR2 and relay output 3. Heat dissipation orifices 4. ...
Page 5 - NOTE
— 4 — DIN-rail Mounting The aluminum DIN-rail attachment plate should already be fixed to the back panel of the switch when you take it out of the box. If you need to reattach the DIN-rail attachment plate, make sure the stiff metal spring is situated towards the top, as shown in the figures below. ...
Page 6 - Wiring Requirements
— 5 — STEP 3 : Once the screws are fixed in the wall, insert the four screw heads through the large parts of the keyhole-shaped apertures, and then slide the NI UES-3880 downwards, as indicated. Tighten the four screws for added stability. ⇒ Wiring Requirements WARNING Do not disconnect modules or w...
Page 7 - Grounding the Switch; Wiring the Alarm Contact; Wiring the Redundant Power Inputs
— 6 — You should also pay attention to the following items: y Use separate paths to route wiring for power and devices. If power wiring and device wiring paths must cross, make sure the wires are perpendicular at the intersection point. y NOTE: Do not run signal or communications wiring and power wi...
Page 8 - MDI Port Pinouts; Connector; NIC Port; Cable Wiring
— 7 — Top View Front View STEP 1 : Insert the negative/positive DC wires into the V-/V+ terminals. STEP 2 : To keep the DC wires from pulling loose, use a small flat-blade screwdriver to tighten the wire-clamp screws on the front of the terminal block connector. STEP 3 : Insert the plastic terminal ...
Page 9 - Redundant Power Inputs
— 8 — RJ45 (8-pin) to RJ45 (8-pin) Cross-Over Cable Wiring Cross-Over Cable RJ45 Plug Pin 1 Switch Port(NIC Port) RJ45 Connector RJ45Connector Tx+Tx-Rx+Rx- (Rx+)(Rx-)(Tx+)(Tx-) (Tx+)(Tx-)(Rx+)(Rx-) Switch Port(NIC Port) Cable Wiring 3 1 6 2 1 3 2 6 Rx+Rx-Tx+Tx- Redundant Power Inputs Both power inpu...
Page 10 - LED Indicators; LED Color State
— 9 — LED Indicators The front panel of the NI Switch contains several LED indicators. The function of each LED is described in the table below. LED Color State Description On Power is being supplied to power input PWR1 PWR1 AMBER Off Power is not being supplied to power input PWR1 On Power is being...
Page 12 - Specifications; Technology
— 11 — Specifications Technology Standards IEEE802.3, 802.3u, 802.3x Forward and Filtering Rate 148810 pps Packet Buffer Memory 256 KB Processing Type Store and Forward, with IEEE802.3x full duplex, back pressure flow control Address Table Size 1K uni-cast addresses Latency Less than 5 μ s Interface...