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4.
CONTROLS AND INDICATORS
4.1
BPF-2 BU
4.1.1
Front Panel Switches (shown with built-in DSU)
Setup – Maps the network management port commands to the
terminal attached to data port 1. When Port 1 Setup is active, the
indicator is on.
Loopback – The loopback function is disabled in this product.
Reset – Performs a hardware reset of the BPF-BU.
4.1.2
Optional Built-In DSU Switches
The DSU switches are located at the rear of the unit. Switch
functions are shown in the following table:
Switch
Down
Up
1
56K
64K (optional)
2
Slave Clock
Master Clock
3
Must Be Down
4
RTS Normal
RTS Forced ON
5
Normal
Local Loop ON
6
Not Used
NOTE
RTS mode (sw 4) is active in 56Kbps mode only. In 64Kbps mode,
RTS is forced on.
TXD
RXD
RTS
CTS
DCD
TEST
BROADCAST POLLING FRAD
LINE
MODEM PORT 1
POWER ACTIVITY ERROR
READY
SETUP LOOPBACK
LOOPBACK
SETUP
RESET
DCB
