10
SYNC/ASYNC FIBER OPTIC MODEM
Quick Start Guide
Only an experienced technician should install the Sync/Async Fiber Optic
Modem. If you are familiar with fiberoptic modems, use this Quick Start Guide to
prepare the Modem for operation. If you are not familiar with fiberoptic modems,
please read the entire manual.
Starting up
S
ETTING THE
J
UMPERS
/S
WITCHES
Confirm that the following switches and jumpers, mounted on the board, are set
correctly for the chosen operating mode.
WARNING
Make sure that the power cord is disconnected before removing the
unit’s cover.
• Jumper J3: Set the XMT CLOCK mode: INT, EXT, RCV, ASY. Default is INT.
• Selector switch SW3: Set the BAUD RATE: 19.2, 28.8, 32, 38.4, 48, 56, 57.6, 64,
72, 96, 112, 115.2, 128, 144, 192, 256 kbps. Default is 64 kbps.
• Jumper J6: Set SW EN to ON or OFF. Default is ON.
I
NTERFACE AND
C
ONNECTIONS
• Connect the Data Terminal Equipment to the appropriate DTE connector on
the rear panel of the Fiber Optic Modem.
• Connect the fiber optic cables to the respective Rx-Tx and Tx-Rx connectors
on the rear panel of the Fiber Optic Modem.
C
ONNECTING
P
OWER
C
ORD
Fiber Optic Modem, AC Version:
• Power is supplied to the Fiber Optic Modem by a 5-foot (1.5-m) long power
cable, terminated by an appropriate wall plug (see
Figure 3-2
). Connect the
power cable to the AC input jack on the rear panel of the modem.
