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42004-471B
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f:\standard ioms - current release\42004 instr. manuals\42004-471b.doc
07/14
Setup
Field Wire installation
After all the field wires are pulled through the rear enclosure, install all connections as indicated below.
Refer to Figure 16 for wiring details. Refer to Table 5 on page 16 for the recommended conductor sizes.
N
OTE
:
Consult the National Electrical Code (NFPA 70), Canadian Standards Association (CSA 22.1),
and local codes for the specific requirements regarding your installation. Install all equipment without
modification and according to the local and national codes. Class 2 circuit wiring must be performed in
accordance with NEC 725.55.
Power
Local Power
This telephone requires a local power source to operate. A separate, isolated 24–48 V dc power supply is
required. A removable terminal block P5 has been provided for connection of local power to the
telephone. Connect the positive conductor to the (+) terminal and the negative conductor to the (
−
)
terminal of P5. See Figure 16 for wiring and location of P5.
Table 2. Power – P5
Pin Label
Description
1 (+)
Positive
2 (
−
) Negative
Ground
The enclosure must be connected to earth ground. Install a #6 ring lug on the ground conductor and
secure it with the ground terminal located on the rear of the front panel. See Figure 9 and Figure 14.
(Not applicable to Model 393-800A.)
Network
Connection to the wireless Local Area Network is accomplished via the on-board WiFi transceiver.
Antenna
An SMA connector is provided for antenna connection. Refer to Figure 16 for additional details. This
connector is mounted on an L-bracket on top of the unit’s PCBA and is labeled
ANTENNA
.
Models 393AL-800A and 394AL-802A include an integral, low-profile, WiFi antenna (secured to the
exterior of the top surface of the back box on the right side, when facing the unit.) This antenna is pre-
connected to the internal antenna connector. The Model 393-800A uses an internal antenna. Models 397-
80
x
A and 398-80
x
A require the use of an external WiFi antenna. The antenna cable must be fed through
the rear enclosure of the telephone and secured to the SMA connector.
N
OTE
:
Antennae used in non-stanchion, flush-mount installations must be customer-supplied.
