Specifications

98 Digital Key BX, Digital 400 & Digital 1000 Systems Technical Specifications
(See also Section 12, SynopSys- The Small Business System Technical Specifications).
SIZE
MAXIMUM CAPACITY
8 per full capacity card (COL, COG, DID)
4 per half capacity card (CHL)
4 per card, using 2-wire audio (EMD)
2 per card, using 4-wire audio (EMD)
24 trunks per card
30 trunks per El card for R2 and E&M protocols
30 trunks per El MFC-R2 card for MFC-R2 and R2 protocols
23 PRI ISDN trunks per PRI24 (23B+D) card
30 PRI ISDN trunks per PRI30 (30B+D) card
20 PRI ISDN trunks per PRI20 (20B+D) card
10 PRI ISDN trunks per PRI10 (10B+D) card
4 BRI ISDN trunks per BRT (2B+D) card
2 BRI ISDN trunks per BHT (2B+D) card
23 DPNSS or QSIG network trunks per N24 card
12 DPNSS or QSIG network trunks per N12 card
30 DPNSS or QSIG network trunks per N30 card
20 DPNSS or QSIG network trunks per N20 card
10 DPNSS or QSIG network trunks per N10 card
Analog central office lines
Tie lines
T1 carriers
E1 carriers
ISDN PRI carriers
ISDN BRI carriers
DPNSS or QSIG carrier
Outside lines
EXPANSION INCREMENTS
(Not all cards are available in every country.)
DIGITAL KEY BX
48
96
4
8
12
DIGITAL
400
144
254
4
16
16
DIGITAL 1000
255
925
24
48
16 (28 future)
Outside lines
Extensions
Attendant consoles
DSS Add-on units
Voice mail ports