Technical data
Making the Hardware Connections
J14
J11
J7
J4
J3
J6
J10
J15
J1 6
J13
J9
J2
Figure 8. ESR902 Bias Jumper Locations
Port Interface Type
Jumper
Number
Pull up/pull down
J2 pull up
485 half duplex
J10 pull down
J4 pull up
422/485 full duplex
J14 pull down
J7 pull up
1
CTS
J6 pull down
J9 pull up
485 half duplex
J15 pull down
J3 pull up
422/485 full duplex
J13 pull down
J11 pull up
2
CTS
J16 pull down
Figure 9. ESR902 Bias Jumpers
Manual Documentation Number: ESR90x-1705m Chapter 2 15
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
Making the Hardware Connections
J13
J22
J17
J9
J7 J21
J3
J2
J14
J28
J20 J8
J12 J27
J26J11
J6
J19
J5 J18
J10 J25
J16 J24
Figure 10. ESR904 Bias Jumper Locations
16 Chapter 2 Manual Documentation Number: ESR90x-1705m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com