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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: =?UTF-8?Q?Norbert_Sch=C3=B6nartz?= <schoen...@gmx.net> Newsgroups: comp.os.vms Subject: Re: New meets old Date: Wed, 2 Jul 2025 15:49:52 +0200 Organization: A noiseless patient Spider Lines: 15 Message-ID: <1043ddr$3hit4$1@dont-email.me> References: <102pqgr$1q6o0$1@dont-email.me> <102qgbt$1vtn2$2@dont-email.me> <6850c752$0$684$14726298@news.sunsite.dk> <102satt$2hhm5$2@dont-email.me> <102smap$2kkit$1@dont-email.me> <1030umm$3saqj$1@dont-email.me> <10317me$3s03b$1@dont-email.me> Reply-To: schoen...@gmx.net MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 02 Jul 2025 15:49:47 +0200 (CEST) Injection-Info: dont-email.me; posting-host="29e75913ff2bd1132f7c37bfdcca5ae5"; logging-data="3722148"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+9uCtlvBjSk/qGHffThs8HE0atsqI2p9A=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:XGAP0QvYvn2k9jwblZ1LWK5PvZ4= Content-Language: de-DE In-Reply-To: <10317me$3s03b$1@dont-email.me> Am 19.06.2025 um 16:43 schrieb Robert A. Brooks: > On 6/19/2025 8:09 AM, Simon Clubley wrote: > >> On a more serious note: Thanks, I didn't realise there was a 20mA >> current loop option for VAX systems. > > I'm pretty sure there was a 20mA option for connectivity on the VT100 > There definitely was a 20 mA connection on the VT220 - standard, not optional. I personally used it in a pipe mill in the 1980s with RT-11 on a PDP-11/73 with a DLV11-F qbus adapter. Very harsh environment, worked perfectly. -- Norbert Schönartz