background image

05776-1198 <90-00124>

 P

AGE

 5

F

IG

. 3 - R

EAR

 V

IEW

, 05776 S

HELF

OPTION

GAIN STRAPS

Receive Port 1

0 to +7 dB

Receive Port 2

0 to +7 dB

Receive Port 3

0 to +7 dB

Receive Port 4

0 to -16 dB

Transmit Port 1

0 to -16 dB

Transmit Port 2

0 to -16 dB

Transmit Port 3

0 to -16 dB

Transmit Port 4

0 to +7 dB

FOUR-WAY BRIDGE

Summing Bus IN
Transmit Distribution Networks OUT
Receive Distribution Networks OUT

STRAP IN

1R LO

2R LO

3R LO

4R LO

1X LO

2X LO

3X LO

4X LO

B1X, B2X, B3X, B4X
D1H, D2H, D3H, D4H
H1R, H2R, H3R, H4R

INSTALLATION

S

WITCH

 

AND

 S

TRAP

 S

ETTINGS

Refer to Tables A through C and Fig. 4 through 6 to set the
straps and switches on the modules.

T

ABLE

 A - S

WITCH

 

AND

 S

TRAP

 S

ETTINGS

, 44118 B

RIDGE

N

OTE

:

All switches, straps, and levels
are factory-set.

UPDATED

1   2   3   4   5   6   7   8   9   10

B

C1

J1

J 2

J3

C2

RJ  2

RJ  1

1

2

56

55

REV

NORM

S1

S2

REV NORM

P 1

2

15 17

41

C.O. Matching Adapt. Sub-Assembly

Installation Detail

REVERSED SWITCHES

CHANNEL 1

EAST

CHANNEL 2

WEST

CHANNEL 2

OUTPUT-WEST

CHANNEL 1

OUTPUT-EAST

With the reversing switches in the
right, or NORM position (viewed from
the back), the associated idle output
(on hook) is low and high when the de-
vice is off hook. With the switch in the
REV position, the idle output is high
and low with an off hook.

S1 and S2 are shipped from the factory
in the REV position.

Summary of Contents for B18-05776 Series

Page 1: ...ION OPERATION MANUAL 05776 1198 90 00124 B18 05776 XX UNIVERSAL ORDER WIRE ASSEMBLY About this Practice This practice has been reissued to Document B18 release with new M Lead Interface Module Update...

Page 2: ...unit DTMF signaling is only used to get access to the VNET interface to the PBX The unit is designed as a party line system so that a caller on the OW channel will simply speak into the handset and c...

Page 3: ...ne Interface 46105 Dual VF 64Kb Channel EQUIPMENT MOUNTING Install the shelf in an equipment rack using the hardware provided Refer to Fig 1 FIG 1 MOUNTING DIMENSIONS WIRING Wire the shelf as required...

Page 4: ...PAGE 4 05776 1198 90 00124 FIG 2 FUNCTIONAL SCHEMATIC 05776 SHELF INSTALLATION UPDATED...

Page 5: ...Tables A through C and Fig 4 through 6 to set the straps and switches on the modules TABLE A SWITCH AND STRAP SETTINGS 44118 BRIDGE NOTE All switches straps and levels are factory set UPDATED 1 2 3 4...

Page 6: ...for order wire applications 2 WIRE 4 WIRE DROP 4 Wire SIDETONE 4 Wire with sidetone 4 WIRE DROP RCV IMPEDANCE 600 ohms Ring Generator OPTION GP ALL RCV PAD OUT XMT PAD OUT IN PRIVACY OUT 4W Straps ho...

Page 7: ...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 RC...

Page 8: ...LLATION MODE E LEAD TERM RPTR NO YES LPBK 1 OFF ON LPBK 2 BRDG CHANNEL 2 CHANNEL 1 M LEAD 2 OFF ON DATA CLK CLK RCV RCV XMT NO NC TERM TTL TM T T TM T T TERM RPTR S101 S2 S1 T T L T E R M RCV DATA T T...

Page 9: ...00 ohm termination to the DROP RE CEIVE jack 6 Read 13 dBm Adjust the RECEIVE level control as required RCV PAD is set for 3 to 16 dBm range 7 When finished setting levels press the TEST RST button Th...

Page 10: ...nnected to the RJ 1 connector of the A18 05776 00 The RJ plug would connect as follows 17 Select the number one OW by pushing in the number one switch of the A18 05775 00 18 Remove the handset of the...

Page 11: ...INE RCV PORT 3 level control R38 for reading of 10 dBm 14 Move signal generator to the LINE RCV PORT 4 jack J7 15 Read distribution level on meter Adjust the LINE RCV PORT 4 level control R54 for read...

Page 12: ...d and it should read 16 dBm 30 Move the 1 KHz tone to Port 3 RCV input and verify that the tone can be seen at C1 Pins 27 and 2 at a 16 dBm level 31 Connect the level meter terminated to the summing d...

Page 13: ...L test points for channel 2 If the level is not correct adjust the front panel transmit potentiometer 11 Install a 600 ohm termination on the dB meter and connect the meter to the DROP RCV jack for ch...

Page 14: ...el s that you are using When a light is on it means the framing bit is being detected by the digital section of that channel of the module indicating synchronization of data transmitted to it 32 Opera...

Page 15: ...with the appropriate button selected for the OW that is going to be seized 3 The LED on the associated button on the 05775 will light indicating that the unit is seized 4 If the OW unit is equipped wi...

Page 16: ...24VDC Idle Full Load 48VDC Idle Full Load Heat Dissipation 24VDC Idle Full Load 48VDC Idle Full Load Physical Dimensions 19 23 Weight Operating Temperature Range VALUE 21 to 56 VDC 164 mA 174 mA 85 mA...

Page 17: ...05776 1198 90 00124 PAGE 17 NOTES...

Page 18: ...n instrument signed by a duly authorized officer of the Seller and accepted by the Buyer Warranty and remedies on products not manufactured by the Seller are in accordance with warranty of the respect...

Reviews: