Specifications

* Not all cards are available in every country.
** These maximums are based on defining and activating all ports on each card.
*** Two EMD TIE ports if four-wire audio is used.
N12
N30
N20
N10
BRT
BHT
T1
E1
E1MFC-R2
ULD
UHD
ELD
EHD
ELA
BRS
SHD
ONS
HONS
OCD
12
30
20
10
4
2
24
30
30
16
8
16
8
8
8
4
16
8
3
ISDN
12
(12B+D)
DPNSS
or
QSIG
N
e
t
wor
ki
ng
I
n
t
er
f
ace
ISDN 30 (30B+D) DPNSS or QSIG Networking Interface
ISDN 20 (20B+D) DPNSS or QSIG Networking Interface
ISDN 10 (10B+D) DPNSS or QSIG Networking Interface
ISDN2 (2B+D) ISDN Basic Rate Interface for outside lines
ISDN2 (2B+D) ISDN Basic Rate Interface for outside lines
T1 carrier (equivalent to 24 PCM trunks on one T1 carrier)
E1 carrier protocol R2 (equivalent to 30 PCM trunks
on one E1 carrier)
E1 carrier protocol MFC-R2 (equivalent to 30 PCM trunks
on one E1 carrier)
Interface for Avanti sets or attendant
Interface for Avanti sets or attendant
Interface for DIGITAL sets or attendant
Interface for DIGITAL sets or attendant
Interface for Telrad Analog telephone sets
ISDN (2B+D) ISDN Basic Rate Interface for internal lines
Interface for Pulse or Tone dial SLT OPX
Interface for Pulse or Tone dial ONS SLT extensions
Interface for Pulse or Tone dial ONS SLT extensions
Option modules
4
2
3
5
6
12
2
2
2
6
12
6
12
12
12
17
6
12
3
12
5
8
15
18
36
6
5
5
16
32
16
32
15
32
43
16
32
10
(not
more
than
2 per cabinet)
(not more than
1 per cabinet)
(not more than
1 per cabinet)
(not more than
2 per cabinet)
(not
more
than
10 per cabinet)
(not more than
4 per cabinet)
(not more than
6 per cabinet)
(not more than
12 per cabinet)
(not more than
5 per cabinet)
22
9
13
26
32
58
11
9
9
58
58
58
58
20
58
58
58
58
10
(not more than
8 per cabinet)
(not more than
12 per cabinet)
FunctionCard* Maximum # of cards
DIGITAL 400*
Maximum # of cards
DIGITAL KEY BX*
Maximum # of cards
DIGITAL 1000*
Number
of ports
77Digital Key Bx, Digital 400 & Digital 1000 Configuration Capabilities