Verilink NCM 2000 (880-502623-001) Product Manual - Manual (Page 31)

Craft Interface
Verilink NCM 2000 2-7
Table 2-1 Table 2-1 Table 2-1 Table 2-1 Module Key Legend
Key Symbol
and Name Generic Name Model Number
Bus
ACP TABS Comment
NCM
Required
A=DIDCSU Dual
Integrated E1
/T1 DSU/CSU
DIDCSU 2912 • 2 net ports, two data
ports, maps DS0s across
backplane bus if used with
NCM; mini-DACS
Yes, only to
map DS0s
card to card
B=DIU/DBU DIU with Dial
Backup
DIU 2130/DBU • Modified DIU 2130, T1
Dial backup
No
C=CSU TAC card TAC 2010 • T1 CSU, use w/ or w/o DIU
card(s), uses backplane if
using DIU
No
D=DIU Data Interface
Unit
DIU 2130 • DSU used with TAC 2010
or DIDCSU across
backplane
No
E=SDIU Not available N/A
F=DIU/DDS DDS Data
Interface Unit
DIU 2130 56K
NMS
• DIU 2130 modified for
DDS remote circuits
bundled into a T1
No
G=DHDM Dual port DS3 HDM 2182 • T3 net and two HSSI data
ports
For far end
functions
H=ATM/IMUX Not available
I=IDCSU IDCSU; T1
Integrated
DSU/CSU
TAC 2130; TAC
2130-S; TAC
2130-T
• T1 CSU/DSU in one card;
does not & will not use
backplane to other cards
No
J=PEP Protocol
Engine
Processor
Not available
K=DAC Digital Cross
Connect
Not available
L=HLM High/Low
Module
DIU 2131 • DSU w/ one V.35 and one
RS 232
No
M=IMUX Inverse
Multiplexer
IMUX 2160 • IMUX 2160 uses QUAD
2164
2160 = No
2164 = Yes
N=NCM Node
Controller
Module
NCM 2000 • • Management only—no
data traffic
P=DPRI Dual Primary
Rate Interface
DPRI 2922 • ISDN DSU with backup
capability; requires NCM
Yes, for
ISDN or
Backup
Q=QUAD Quad Card QUAD 2164 • QUAD 2164 used with
IMUX 2160, four E1/T1
CSUs each
No
R=SUBRATE SRDM DIU 2140 • Five port RS232 subrate
TDM. Used w/ TAC 2010
No
S=HSM M13 DS3
Multiplexer
HSM 2113
• Use w/ one or more IMUX
2164; changes backplane
data rates
Yes, for all
cases
T=HDM Single port
DS3
HDM 2180 • T3 net and one HSSI data
port
For far end
functions