05776-1198 <90-00124>
P
AGE
7
INSTALLATION
F
IG
. 5• - S
TRAP
L
OCATIONS
, 44022 S
UBSCRIBER
L
INE
I
NTERFACE
T
ABLE
C - S
TRAP
AND
S
WITCH
S
ETTINGS
, 46105 D
UAL
VF 64K
B
C
HANNEL
DESCRIPTION
180-ohm termination across RS-422 inputs at pins 51 and 52
180-ohm termination across RS-422 inputs at pins 45 and 46
180-ohm termination across RS-422 inputs at pins 43 and 44
180-ohm termination across RS-422 inputs at pins 5 and 6
180-ohm termination across RS-422 inputs at pins 11 and 12
180-ohm termination across RS-422 inputs at pins 13 and 14
Relay at pins 39 and 40 is normally open when E Lead 1 is active
Relay at pins 19 and 20 is normally open when E Lead 2 is active
M Lead 1 input at pins 41 and 42 is used
M Lead 2 input at pins 15 and 16 is used
Digital sections of channel 1 and 2 are interconnected, bypassing the
analog sections when they are not in use. Select this position when the
channels are bridged together in the repeater mode.
BRDG switch also must be in the RPTR position.
STRAP
XMT CLK
RCV CLK 1
RCV DATA 1
XMT CLK 2
RCV CLK 2
RCV DATA 2
E LEAD 1
E LEAD 2
M LEAD 1
M LEAD 2
MODE
POSITION
TERM
TERM
TERM
TERM
TERM
TERM
NO
NO
YES
YES
RPTR
SWITCH
BRDG (S1)
LPBK 1
LPBK 2
POSITION
RPTR
OFF
OFF
DESCRIPTION
Channels 1 and 2 are bridged together.
Analog signals for Channel 1 are not looped back.
Analog signals for Channel 2 are not looped back.
XMT
DISTRIBUTION
OUTPUT TP
XMT DROP
2W/4W
TEST JACKS
RCV
DISTRIBUTION
OUTPUT TP
RCV LEVEL
ADJUST
SIDE TONE
IN OUT
IN OUT
10dB XMT
PRIVACY
REMOTE
M LEAD
OUT
IN
OUT
IN
OUT
IN
ALL
GRP
RCV
PAD
OUT
IN
RG
600 OHM
600 OHM
0 OHM
0 OHM
4W
4W
2W
2W
R51
R4
RING TRIP
SENSE ADJUST
R38
44022-00
STATION
INTERFACE
XMT
LINE TP
GND
LINE
DROP
MON
TRANSMIT
DIST
GND
LINE
DROP
MON
RECEIVE
DIST
RCV
LINE TP
RCV DROP
4W
TEST JACKS
STATUS LED
INDICATORS
XMT LEVEL
ADJUST
TEST/RESET
SWITCH
Busy
Inc. Call
Off Hook
B11-44022-00 REV__
TEST
RST