AIS Threshold Level (aisthres)

SET-SYNCN

(P)

If SONET: LEVEL7, LEVEL6, LEVEL5, LEVEL4, LEVEL3, LEVEL2

If SDH: LEVEL4, LEVEL3, LEVEL2

SONET: LEVEL6

SDH: LEVEL4

Configuration → Timing/Sync

DS1 Input and Output Format for REF-1 (ds1_liof) and REF-2 (ds1_2iof)

SF, ESF

SF

DS1 Input Line Code for REF-1 (ds1_1ilc) and REF-2 (ds2_lilc)

AMI, B8ZS

AMI

DS1 Sync Output Equalization for REF-1 (ds1_1equ) and REF-2 (ds1_2equ)

1249C cable: 20 (90 ft.), 40 (180 ft.), 60 (270 ft.), 80 (360 ft.), 100 (450 ft.)

613C Cable: 20 (133 ft.), 40 (267 ft.), 60 (400 ft.), 80 (533 ft.), 100 (655 ft.)

20

E1 Input and Output Format for REF-1 (e1_liof) and REF-2 (e1_2iof)

FAS, CRC4

CRC4

External Timing Reference Input and Output Sa bit (ext_isa and ext_osa)

SA4, SA5, SA6, SA7, SA8

SA4

External Timing Reference SSM Support (ext_issm)

SET-SYNCN

(P)

Enabled, Disabled

Disabled

Configuration → Timing/Sync

Forced DUS (frcdus)

Enabled, Disabled

Disabled

Mode Switch (mdsw)

REVERTIVE NONREVERTIVE

REVERTIVE

Reference Switching Mode (refswmod)

Revertive-1, Revertive-2, Nonrevertive

Nonrevertive

Synchronization Mode (syncnmod)

FRNG, EXT, EXT_SYNCOUT, LINE, LINE_SYNCOUT

EXT

Synchronization Source (src)

Any OC-n line

None

SynchAutorecon- figuration (auto)

Enabled, Disabled

Disabled

System Synchronization Characteristic (synccrtc)

SONETSYNC, SDHSYNC

SONETSYNC

Sync Messaging (syncmsg)

ENT-OC3 ENT-OC12 ENT-OC48 ENT-OC192

(P, G)

Sbyte, Disabled

Sbyte

Configuration → Equipment

Alarm Severity Assignment Profile (pfname)

ENT-ASAP-ASGNMT

(P, G)

DEFAULT ASAP

User-Created ASAP

DEFAULT ASAP

Note: The TL1 command security access levels are Privileged (P), Administration (A), General (G), Maintenance (M), and Reports-only (R).