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Switch Settings on IMPs and TIPs.
J.M. McQuillan. October 1972.

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Network Working Group John M. McQuillan RFC # 395 Bolt Beranek and Newman Inc. NIC # 11587 3 October 1972 Categories: Updates: Obsoletes: SWITCH SETTINGS ON IMPS AND TIPS -------------------------------- This note provides a description of the switches on the front panel of IMPs and TIPs that are important to the correct operation of the network software. We have had some difficulty in the past when certain of these switches were set incorrectly, This RFC will be updated as necessary, to notify site personnel of changes to the settings. A. 516 IMPs -------- The IMP at your site is a model 516 if it has a gray cabinet and two rows of indicator lights on the front panel. The correct switch settings are: 1. Sense switches 1,2,3 and 4: OFF (DOWN) 2. PFI/PFH: PFI (UP) 3. HALT INH: OFF (DOWN) 4. W.D.T.: OFF (DOWN) 5. AUTO RSTRT: ON (UP) 6. MEMORY PRTCT: OFF (DOWN) B. 316 IMPs and TIPs ----------------- The IMP at your site is a model 316 if it is a TIP or if it is in a black cabinet and has one row of indicator lights on the front panel. 1. Sense switches 1,2,3,4 OFF (top half depressed) Site personnel are requested to keep a copy of this RFC near the IMP and to check the switch settings at their IMP. In addition, the Honeywell field engineers who perform preventive maintenance have been requested to use this note as a checklist. [ This RFC was put into machine readable form for entry ] [ into the online RFC archives by BBN Corp. under the ] [ direction of Alex McKenzie. 1/97 ] [Page 1]


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