Mounting rack requirements 51Table 12Environmental requirementsParameter RangeOperating temperature 0 to 40 CShort-term temperature –40 C to 70 COperating altitude 0–11 800 ft (0–3600 m)Storage altitude 0–35 000 ft (0–11 000 m)Operating humidity 0 to 90% R.H. (noncondensing)Storage humidity 0 to 95% R.H. (noncondensing)Vibration Packaging and shipping – ISTA 2AOffice Vibration – GR-63-CORE Issue 3,Section 4.4.2 and 5.4.2Acoustic Noise GR-63-CORE Issue 3, section 4.6 & 5.6Mounting rack requirementsThe Secure Router 4134 requires a mounting rack or frame with certainmechanical specifications. The following table provides the mounting rackmechanical specifications.Table 13Mounting rack specificationsSpecific requirements 19-inch rackMounting apparatus EIA RS310D standardPitch between mounting holes 15.875 mm, 15.875 mm, 12.7 mm (5/8 in, 5/8 in,0.5 in)Horizontal distance between mounting holes 465.1 mm (18.312 in)Mounting bolts HEX WSHR HD (SLTD) TYPE TT0.216-2412-24 class UNC-2B, 0.75 inlong (Nortel P/N p097f815, screw referenced inthe mounting flange kit)Footprint 600 mm x 600 mm (23.6 in x 23.6 in)Anchoring You must properly anchor the frame or rack tothe floor as cited in the frame- or rack-specificinstructions.Capacity Any rack or frame must be able to supportthe weight of a fully loaded shelf (or multipleshelves) plus the associated cable weight.Nortel Secure Router 4134Installation — ChassisNN47263-300 03.01 7 September 2009Copyright © 2007-2009 Nortel Networks. All Rights Reserved.