Sp515A-R2, Sp528A - Black Box SP141A Manual

IN-LINE SURGE PROTECTORS

3.16 SP515A-R2, SP528A

This model protects your 4-wire RS-232 devices. It
also protects Token Ring UTP interfaces.
1. Unplug the RJ-11 4-wire cable from the
device you wish to protect.
2. Attach the surge protector to the device, and
attach the ground wire to the equipment
chassis.
3. Reconnect the data cable to the protector.
4. Velcro fasteners are included for mounting.
Fig. 3-9 shows a typical application.
PC
Fig. 3-9. Typical Application of the SP515A-R2.
3 0
Adapter on PC com port
changing DB connector
to RJ-11 4-wire
SP515A
Ground wire
to PC chassis
RJ-11 4-wire
data cable