Specifications

Reference Guide
1-3
System Overview Chassis Types
Table 1-1. Card Slots for Front-Loading Chassis with Power Supplies on the Side
Type of Card
# of
Cards
Slots Used Notes
CPU 1 or 2 C1, C2 One required in either slot
Server 0 to 3 P1, P2, P3 ADPCM, FRS, MCC, ATM, ISDN-PRI, PRI-BRI, IMUX, and IPR (P4
is not used for Server Cards)
WAN 1 to 4 W1 to W4 One required
Interface 1 IF Required
Alarm 0 to 7 P1-4, W1-4 Internal/External, any user slot
E&M Voice 0 to 7 P1-4, W1-4 2/4-wire voice, any user slot
FXS Voice 0 to 7 P1-4, W1-4 2-wire voice, any user slot
FXO Voice 0 to 7 P1-4, W1-4 2-wire voice, any user slot
FXS-C Voice 0 to 7 P1-4, W1-4 2-wire voice, coin, any user slot
FXO-C Voice 0 to 7 P1-4, W1-4 2-wire voice, coin, any user slot
LBRV-8 0 to 7 P1-4, W1-4 Provides voice compression with echo cancellation and Group 3 fax
relay capabilities for up to eight 64Kbps voice ports.
LBRV-16 0 to 7 P1-4, W1-4 Provides voice compression with echo cancellation and Group 3 fax
relay capabilities for up to sixteen 64Kbps voice ports.
PPhone Voice 0 to 7 P1-4, W1-4 PPS and PPO voice cards, any user slot
B7R 0 to 7 P1-4, W1-4 FDL Mux, any user slot
BRI Data 0 to 7 P1-4, W1-4 BRI, any user slot
DS0-DP Data 0 to 7 P1-4, W1-4 The DS0-DP card Contra directional/Codirectional Data Unit
(DS0-DP/G.703) provides a 64 kbps interface to a DS0 time slot of a
T1 or E1 network. This is a 4-wire data card and inserts into any user
card slot.
FRAD Data 0 to 7 P1-4, W1-4 FRAD, any user slot
HSU Data 0 to 7 P1-4, W1-4 High-speed data, any user slot
OCU-DP Data 0 to 7 P1-4, W1-4 The Office Channel Unit - Dataport cards interface directly with Data
Service Units/Channel Service Units (DSU/CSUs) support data traffic
up to an including 64 kbps. This is a 4-wire data card and inserts into
any user card slot.
SRU Data 0 to 7 P1-4, W1-4 Sub-rate data, any user slot
Main Power
(AC/DC)
1 or 2 S1 and S2 AC or DC power supplies
Optional Power 0 or 1 S2 AC-to-DC converter (-48V)
Optional Ringer 0 or 1 R1 Ringing generator