Specifications

December 2008 Page 2–13
Chapter 2. System Application and Ordering
2
Table 2–4. FOCUS Channel Module Catalog Numbers.
Channel Module Type/
Catalog Number
Description
232 Hardened RS-232, 2 channels per module
64F 56/64 Kbps, direct fiber for 64KFE Interface
64G 64 Kbps, G.703
64R 56/64 Kbps, RS-449 Interface
64V 56/64 Kbps, V.35 Interface
6NE Ethernet switch module (802.3, 10/100 Ethernet compliant)
6NF IEEE C37.94 compliant module
6NR/6NV For sync. bandwidth greater than a single DS0 (RS-422 or V.35)
CTR Contact Transfer (8 functions per module)
DCU Interface between DS0 and 4-wire metallic wire network
FCA SNMP compatible module
FXO Voice 2-Wire Terminating, 2 channels per module
FXS Voice 2-Wire Originating, 2 channels per module
HCB–2T Pilot Wire Relay Interface for 2-Terminal HCB, HCB-1
HCB–3T Pilot Wire Relay Interface for 3-Terminal HCB, HCB-1
PBT Addressable 2-wire Voice (Terminating; FOCUS–PBX)
PBW Addressable 2-wire Voice (Originating)
PLD Party Line Data Module (RS-232)
PRI Protective Relay Interface
PRS Protective Relay Interface
SPD-2T Pilot Wire Relay Interface for 2-Terminal SPD
SPD-3T Pilot Wire Relay Interface for 3-Terminal SPD
SRD-2 Provides 2 RS-232 data circuits per DS0; two DS0
SRD-4 Provides 1 RS-232 & 1 RS-485 data circuit per DS0; two DS0
SRD-4N 1 RS-232 & 1 RS-485 (DNP Networked) data circuit per DS0; two DS0
V2T Voice 2-Wire Terminating, 2 channels per module
V2W Voice 2-Wire Originating, 2 channels per module
V4W Voice 4-Wire, E&M signaling, 2 channels per module