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Secutron model MR22NTWR network interface module
SECURTRON MODEL MR22NTWR NETWORK MODULE
This is a Secutron MR22NTWR Network Module, which is a two-port module used for network communications between MR-2100/2200 fire alarm panels. Its ports use isolated voltages for standard communications between two panels, but have assemblies that can communicate in serial RS-232 format with modems.
MR22NTWR: This model features two standard ports.
The Installation Instructions are enclosed.
I am also including two TEPG-US Ferrite Beads that were in the box with this.
I do not see any signs of previous usage.
