GarettCom 5844HRT - Model 5843 HRT and 5844 HRT Link;Repeaters Overview; 9 Pin Data Port D-connector

Models 5843, 5844, 5843S and 5844S
RS232 or TTL
1-
5
1.2
MODEL 5843HRT AND MODEL 5844HRT LINK/REPEATERS
NOTE
Link/Repeaters contain no serviceable parts. Opening the unit will void the warranty.
Each Link/Repeater consists of the following elements shown in Figure 1.
DYMEC
MODEL 5943 LINK/REPEATER
RS-232
SWITCH ACCESS
MADE IN U.S.A.
PWR
ET
T
R
#6-32 Thread SST
Earth Ground
Diagnostic LED's
12 Vdc Power Input
Type "ST"
Fiber Connector
9 Pin D Sub
Connector
Removeable
Access Plate
OR
ER
OT
F
IGURE 1. Elements of the Link/Repeater
1.2.1 9 Pin Data Port D-connector
The Link/Repeater connects directly to an IED's RS-232 or TTL communication port. The pin out
c
onfiguration of the Link/Repeater is shown in Figure 2. If the IED's port is not a 9 Pin D-connector or if
the IED's pin out configuration differs, an adapter is required.
•
1 Chas
sis Ground
•
1 Chassis Ground
•
2
Transmitted Data (Link Input)
•
2
Received Data (Link Output)
•
3
Received Data (Link Output)
•
3
Transmitted Data (Link Input)
•
4
No Connec
tion
•
4
No Connec
tion
•
5 Signal
Common
•
5 Signal Common
•
6
(+5 Vdc Output)
•
6
(+5 Vdc Output)
•
7
Repeat Enable / Dis
able
•
7
Repeat Enable / Dis
able
•
8 T
TL Output
•
8 TTL Output
•
9
9 to 15 Vdc
Input
•
9
9 to 15 Vdc
Input
Figure 2 Data Port Pin Assignments
DCE MODE
DCE
DTE
DTE MODE
DCE
DTE