Toa N-8031MS User Manual
Thank you for purchasing TOA's Flush-Mount Master Station.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
N-8031MS
FLUSH-MOUNT HANDS-FREE
MASTER STATION
INSTALLATION MANUAL
1. GENERAL DESCRIPTION
The N-8031MS is a flush- or surface-mount master station
designed to operate in conjunction with TOA IP Intercom
Exchange and features high quality hands-free
conversation.
Connecting a foot switch or other external switch to the
external dial input terminal permits one-touch dialing
operation by way of such switches.
Handset conversation can be made in conjunction with the
optional RS-191.
2. WALL MOUNTING
2.1. In-Wall Mounting Using an electrical box
Attach the N-8031MS to the YC-241 Back Box or an
electrical box installed in a wall.
Note
The wall should be over 12 mm thick, and the opening in
the wall for an electrical box should be under 115 mm
(wide) by 254 mm (high).
The N-8031MS comes with 2 types of screws: oval head
combination screw M4 x 25 and oval head combination
screw UNC No.6 x 18.
For the electrical box provided with unified threads, use the
oval head combination screws UNC No.6 x 18.
Accessory screws
[Installation completion drawing]
Unit: mm
2.2. On-Wall Mounting Using a Wall-Mount box
Attach the N-8031MS to the YC-251 Wall-Mount Box
installed on a wall.
The N-8031MS comes with 2 types of screws: oval head
combination screw M4 x 25 and oval head combination
screw UNC No.6 x 18.
For the electrical box provided with unified threads, use the
oval head combination screws UNC No.6 x 18.
Accessory screws
Wall
surface
Acoustic material (accessory)
Note
Lay it down along the inside
of the box.
Wall
surface
Acoustic material (accessory)
Note
Lay it down along the inside
of the box.
YC-251
Wall-mount box
(option)
N-8031MS
Oval head combination
screw M4 x 25
(accessory)
N-8031MS
YC-241 Back box (option)
or 5-gang electrical box
Oval head combination screw
M4 x 25 (accessory)
254
18435
83.5
115
3. WIRING
3.1. Connection to the Exchange
To connect the cables from the N-8000EX/8010EX
Exchange to the N-8031MS, use the removable terminal
plug (2P) supplied with the N-8031MS.
The cables have no polarity.
3.2. Connection to RS-191
Connecting the RS-191 Option Handset to the N-8031MS
permits handset conversation.
Step 1. Remove the handset jumper attached to the N-
8031MS's handset connection terminal, then
insert it to the socket on the RS-191's rear PC
board.
Step 2. Install the ferrite clamp (supplied with the N-
8031MS) onto the RS-191's handset cables.
Then, connect the cables to the N-8031MS's
handset connection terminal.
Note
Though the socket on the PC board is faced inside, you
can insert the handset jumper into the socket from the
side.
Note
Run the cables along the ferrite
groove, and clamp them.
N-8000EX/8010EX Exchange
16 lines
Mini-clamp connector
(Supplied with the
E-7000TB
Terminal board
N-8000EX/8010EX)
Twisted pair cable
21
Removable terminal plug (2P)
12
(accessory)
Both upper and lower
terminals (clip terminals)
are internally connected.
RS-191 rear
N-8031MS rear
Socket
Handset connection terminal
Handset jumper
Ferrite clamp (accessory)
Line connection terminals
N-8031MS rear
Handset cable
Handset cable
RS-191
Handset connection terminal
N-8031MS
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