Specifications
9
3.7 RS485 CONNECTOR
This socket provides support for connection to a maximum of 16 (sixteen) DSE controllers in a daisy
chain RS485 network.
Ensure termination resistors (120Ω) are fitted as shown to the ends of the link as per RS485 standard.
A (-)
Two core screened twisted pair cable.
120Ω impedance suitable for RS485 use.
Recommended cable type - Belden 9841
Max distance 1200m (1.2km) when using Belden 9841 or direct equivalent.
B (+)
3.8 ETHERNET CONNECTOR
The DSE892 Gateway module is fitted with an autosensing ethernet socket.
This can be utilised in a number of ways. See section entitled “Typical Connection to DSE controllers”,
subsection ” Via Ethernet” for further details.
10baseT/100baseT
1
white/green
stripe
white/green
stripe
2
green solid
green solid
3
white/orange
stripe
white/orange
stripe
4
blue solid
blue solid
5
white/blue
stripe
white/blue stripe
6
orange solid
orange solid
7
white/brown
stripe
white/brown
stripe
8
brown solid
brown solid
NOTE: DSE Stock a 2m (2yds) Ethernet Cable – Part number 016-137. Alternatively they
can be purchased from any good PC or IT store.
As the Gateway is autosensing, either a ‘straight through’ or ‘crossover’ cable can be used.
The diagram above shows a ‘straight though’ cable.
DSE892
For the advanced
Engineer, this cable
has both ends
terminated as T568A
(as shown below) or
T568B.