NEC nd-20292 manual 3of6

ET1 NUMBER: MK-009

DATE: MAY, 1988

6.1Position the M-106 case against the vertical surface. Ensure the lettering on the front panel is right

side up and the FCC regulation label is on top.

6.2. Fasten

the

unit

to

the

wall

with wood screws or

wall anchors.

. _

NOTE:

Ensure

there

is

enough

room in

front

of the

front panel

(at

least 12

inches)

and

for reaching

the screws

in

the

rear

of

the unit

securing

the

printed

circuit

board

(PCB)

to allow

for

removal

and

insertion

of the

PCB.

6.3Use the key provided with the M-106 and remove the front panel

6.4Remove the two screws on the rear panel and slide the M-106 PCB out.

6.5	On	the	M-106 PCB, set		dip switch (Sl-1) to the ONposition.	Set all other dip switches fSl-2 - Sl-6) to
	the	OFF	position	(See	Figure 21,

6.6If using a three digit security code, select the desired security code with S2.

NOTE: The security code is read from top to bottom, with the top number dialed first. Connect the security code enable I disable cable to the desired location (See Figure 2).

6.7Reinstall the PCB and secure with two screws. Reinstall the front panel.

6.8-Mount the barrier block no further than 7 feet from the M-106 unit and close to the power supply.

NOTE: The barrier block is not necessary when installing one or two units and the power supply is located within 6 feet of the -M-106 unit.

6.9 -Mount

the

power

supply

according

to

the

manufacturers

instructions.

Make

the connections

from the

DC power

supply

to the

barrier block

(or

-M-106

unit), strapping

the ground post to the + (positive side)

as shown in Figure 3.

NOTE:

Ground

must be provided

either

by the

AC outlet

or a suitable

Electra

Mark11 system

ground.

6.10Install a fuse holder and _1amp. 25OV fuse in line with each white power cable between the M-106 unit

and the barrier block (or power supply). Connect the red and yellow wire to the positive (ground)

terminal on the barrier block (or power supply) (See Figure 3).

6.11Use the call timer jumper and set the optional call timer to the desired time limit (See Figure 1).

NOTE: This timer limits the call duration placed through the M-106 unit to a predetermined time as

set by the call timer jumper. This automatic disconnect timer can be set to 5, 10, 15, or 20 minutes, or

not implemented, at the user’s option.

6.12Set the power supply to the proper voltage (if so equipped) and plug the power supply into the AC outlet.

6.13-Mount the RJ34Xjack within 7 feet of the M-106 unit.

NOTE: Longer 8 position modular cords can be locally acquired

6.14Wire the modular jacks as shown in Figure 5.

NOTE: Pins 1 and 8 do not have to be wired if the remote ON/OFF option (Night Transfer) is not used.

This option permits the M-106 to be enabled or disabled from a switch located in a remote location, to

free the CO line and the SLI port associated with the M-106 for use by the Electra _MarkII (when the M-106 unit is disabled) (See Figure 1).

6.15Connect the jacks to the MDF as shown in Figure 6.

6.16Connect the 8 position modular cords from the CO port to 53, and from the single line port to 54.

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