COMSPHERE 3550 Series Data Service Units

leads

mode

external, 4-19

DBM, C-3

changing, 4-19

Dial Backup, 4-7

displaying, 4-19

External Backup, 4-7

reporting external changes to NMS, 4-20

Idle, 4-7

states, 4-20

Menu, 5-5

LED, light-emitting diode, 1-2

Standby, 4-7

LEDs, 4-19

Model 3550

line

DDS (LADS) network connection, figure, 2-7

communication

dial (PSTN) network connection, 2-6

DSU, 1-6

dial network pin assignments, D-2

V.32 DBM, 1-7

digital network pin assignments, D-2

speeds, 1-3

NMS connection, figure, 2-6

Link Delay, 5-11

Model 3551

link-level network addressing, 3-10

installation, and circuit pack lock, 3-6

LinkConfig, 5-10

jumper straps, 3-4

LL, 4-9

rear connector plate, D-4

LL by DTE, 5-19

switch and jumper locations, 3-3

local loopback, 4-9

modulation, 1-7

loopback, 4-9

MPTC, 4-13

bilateral, 2-12,3-12,4-10

M-PtSymPrt, 5-11

digital, 2-12,3-12,4-10

MPTT, 4-13

DTE, 2-12,3-12,4-10

Msg Clamp, 5-6

local, 2-12,3-12,4-9

Msgs, 4-20

remote digital, 2-12,3-12,4-10

MultiCall, 4-7,5-22

loopbacks, 4-9

multiplexing, 1-3

Lpbk, 4-9

multipoint rate adaption, 5-11

LSD, status indicator, C-2

multispeed operation, 1-1

LSD Lead, 5-18

MUX

 

(Port) configuration options, 5-23

 

(Setup) configuration options, 5-23

M

CommunicFail message, C-5

Device Fail message, C-5

 

management control, 1-2

Device Failure, C-7

Failure alarm, C-2

manual backup, 4-8

message, C-7

Max, C-6

MUX Funct, 5-23

Menu, 4-12

 

mode, 4-12,5-5

 

subbranch, 5-5

 

menu

N

selections, backup branch, 4-8

structure, 4-4

NetL, DSU test, C-4

tree, A-1

network

Menu Mode

address, 4-18

disabled, 4

addressing, link-level, 3-10

enabled, 2

compatibility, DSU, 1-6

messages

connection, 3-8

branch, 4-20

DDS, 3-9

control panel, C-1,C-3

dial, 3-8

device health and status, C-3

NMS, 3-8

error, C-9

connections, 2-5

TDM/Flex, C-11

DDS (or LADS), 2-7

expanded health and status, C-6

dial, 2-6

format, C-3

DSU test, initiator, C-4

health and status, C-3

interface

progress, C-8

DDS, 1-6

command, C-8

switched, 1-7

dial backup, C-8

loopback, DSU test message, C-4

subnetwork health and status, C-7

Next, 5-5

Index-6

December 1996

3550-A2-GB20-20

Page 145
Image 145
Paradyne 3551 manual Mux