Vanderbilt VR50M-MF - Connecting the Cables; Connecting the Reader in OSDP Mode; Connecting the Reader in Wiegand Mode

5.6 Connecting the cables
5.6.1 Connecting the reader in OSDP mode
Use the terminal block marked AB-+ (see item 1 in Reader Components on page10) and a twisted
screened cable with min. 2 pairs to connect the cables in OSDP mode.
1. Attach the cables according to the respective indicators on the second, AB-+ terminal block (lower
terminal block) and the base:
Reader Controller
+ +12V
- 0V
B B
A A
2. Insert the ridge on the end of the terminal block marked AB-+ into the slot marked AB-+.
3. Gently push the terminal block towards the base until it clicks.
4. Push the cables back.
Please note that you must set the Jumpers to configure your application.
For more information on setting the Jumpers in OSDP mode see Setting the
Jumpers for OSDP on page20.
For more information on setting the Jumpers in Wiegand mode see Setting the
Jumpers for Wiegand on page21.
On the reverse of the front plate, Jumper 3 is used to determine EOL (see the diagram in Connecting
the cables above). By default EOL is ON and the reader acts as the last reader on the bus. However,
if the reader is an intermediate reader on the bus, Jumper 3 must be removed.
5.6.2 Connecting the reader in Wiegand mode
Use the terminal blocks marked AB-+ and RY/TGH (see item 1, item 2 in Reader Components on page10)
and a twisted screened multicore cable (4 pairs + screen) such as Belden 9538 to connect the reader in
Mullion Reader VR20 VR50 – Installation Manual Mounting and connecting
© Vanderbilt 2021 17
A-100410-d
12.02.2021