CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 40)

Chapter 3 Mode and Rate Selection 2240 Fiber Optic Modem User Manual
Internal Clock Option Switches
40
removed from the shelf. Be sure to disconnect power before removing the
cover.
Factory setting: OFF
Figure 3-4 Location of Internal Switches and Jumpers (factory settings are illustrated)
INTERNAL OPTION SWIT
CHES
FA
CT
OR
Y
SET OFF ON OFF OFF ON OFF OFF ON
OFF ON
CD/DCD CD/SYNC ALM/CHAN ALM/L
OC
ALM/REM ALM/INV CLK/EX
T
TBL/NORM
INTERNAL OPTION SWIT
CHES
RELA
Y
OPTION JUMPER
C
ONT
A
C
T
POWER JUMPERS
EXP
ANDED INTERF
A
C
E
C
ONNECT
OR
NC NO
ON
OFF
ON
OFF
ST
ANDARD
INTERF
A
C
E
C
ONNECT
OR
AU
X
INTERF
A
C
E
C
ONNECT
OR
HI/L
OW
OPTICS POWER SWIT
CHES
OSCILLA
T
OR
3 L
O
CA
TION
RL
Y
ALM+ ALM-
SCT CL
OCK
PHASE
EX
TRA CL
OCK
NORM
RT
S
T
X
OPT
CHASSIS
FL
O
A
T
SIGNAL GROUND JUMPER
RES.
FOR
FUTURE USE
NORM INV