Technical data

Making the Hardware Connections
Documentation Number: LES40xA-1105m Chapter 2 15
Black Box Corporation - 1000 Park Drive - Lawrence, PA 15055-1018
www.blackbox.com -- Tech Support and Ordering: 724-746-5500 - Fax: [phone]
J14
J11
J7
J4
J3
J6
J10
J15
J1 6
J13
J9
J2
Figure 8. 2 Port Industrial Serial Server 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. 2 Port Industrial Serial Server Bias Jumpers
Making the Hardware Connections
16 Chapter 2 Documentation Number: LES40xA-1105m
Black Box Corporation - 1000 Park Drive - Lawrence, PA 15055-1018
www.blackbox.com -- Tech Support and Ordering: 724-746-5500 - Fax: [phone]
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. 4 Port Industrial Serial Server Bias Jumper Locations