I have 2 "old school" SMDR's (NT8B95) and no documentation. Does anyone know about the wiring for this device?
The only connections are a single 4-pin modular jack and a DB-9 RS-232 port.
Does it need external power? Perhaps on pins 1&4 (I presume 2&3 connect to the KSU) on the modular connector.
Like this one
Thank you
The only connections are a single 4-pin modular jack and a DB-9 RS-232 port.
Does it need external power? Perhaps on pins 1&4 (I presume 2&3 connect to the KSU) on the modular connector.
Like this one
Thank you