Inner Range Inception Security Controller Installation Manual. Rev. 6.0
© 2016 - 2023. Inner Range Pty Ltd.
14 www.innerrange.com
LAN & Reader Ports.
The Inception controller provides two RS485 communication ports:
• The “LAN” port is used to connect LCD Terminals and the LAN Expansion Modules listed under
“Compatible Expansion Modules” in the ‘Accessories List’ section.
• The “Reader” port is used to connect Inner Range SIFER Readers or 3
rd
Party OSDP Readers.
The installation requirements that apply to the “LAN” and “Reader” ports are as follows:
1. Follow all relevant wiring rules and standards.
2. Connections from the RS485 port to the remote devices may be wired in a “daisy-chain” or “star”
configuration, or a combination of both within the limits specified below.
3. “A” & “B” connections are wired in parallel across the network using twisted pair cable.
4. The “0V” connection must also be wired to every device.
5. The “+” connection is also used if the device is a Module on the LAN that does not have a local
power supply (e.g. LCD Terminal) or if the device is a SIFER or OSDP Reader on the Reader
port. The “+” terminal from an RS485 port must not be used to power detectors, relays, etc.
6. Twisted-pair data cable must be used. Shielded, two-pair cable is recommended. e.g. Alpha
2466C/6413, Belden 8723/9842 or UL listed equivalents. Unshielded cable may also be used in
suitable electrical environments. e.g. Alpha 1317C, Belden 9744 or UL listed equivalents.
7. Do not use the cable shield as the 0V connection. Shields should be terminated to a protective
earth or 0V at one end of the cable
8. A suitable UL listed RS485 Surge Diverter installed at one or more appropriate points on an
RS485 network will provide additional system protection, particularly on long runs of LAN cabling
and on multi-building installations.
9. A Multimeter may be used to check that the LAN or Reader port will operate reliably. Download
the “Inception LAN Installation Guide” from the Inner Range website for details. See ‘Additional
Resources’ at the rear of this manual.
Additional installation requirements for the “LAN” port:
A. The LAN “+” connection used to power LCD Terminals, etc. can be derived from any Module with
a local power supply, or from a separate external power supply. However, do not connect the “+”
of two power supply sources together. e.g. Controller LAN+, LAN+ from a Module with local
power supply or LAN+ from an Integriti 3A power supply.
B. When wiring the LAN to a Module powered by a local power supply, do not connect the incoming
LAN+ wire to the LAN+ connection on the Module.
C. If a LAN Module deriving its power from the LAN is a large distance from the LAN+ power source
(e.g. Controller), it may require a separate local battery-backed power supply &/or heavier gauge
cable. e.g. Approx 200m for an LCD Terminal; Approx. 25-50m for other Module types. See the
“Inception LAN Installation Guide” for details. If a separate power supply is used, do not connect
+ from the controller LAN port to the Module.
D. No module is to be more than 4900 feet (1500 metres) cable length from the controller.
E. Total LAN cabling should not exceed 6500 feet (2000 metres). If the total amount of LAN cable
will exceed 6500 ft (2000m) refer to the “Inception LAN Installation Guide” for further information.
F. Up to 99 Modules of each type may be connected up to a total of 250 Modules. Note that the
system capacities (see page 6) will limit the number of modules that may be utilized.
Additional installation requirements for the “Reader” port:
I. If a Reader is more than 320 feet (100 metres) cabling distance from the controller, it may require
a separate local battery-backed power supply &/or heavier gauge cable. See the SIFER or
OSDP Reader installation manual for details. If a separate power supply is used, do not connect
+ from the controller Reader port to the Reader.
II. No Reader, even with an independent power supply, is to be more than 3200 feet (1000 metres)
cable length from the controller.
III. Total Reader cabling on a single RS485 Reader port should not exceed 3200 feet (1000 metres).
IV. No more than 8 Readers may be connected.
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