Base System Components

Resource switch card 3 (available with every chassis except 1500)
4 analog phone ports
12 digital phone ports
3 analog trunk ports (including 2 power failure transfer ports)
2 PCI telephony mezzanine card (PTMC) expansion slots
Internal 56-Kbps modem
Independent fault monitor subsystem
CD-ROM drive
1500 Motherboard features:
1 port T-1
serial interface
2 PCI telephony mezzanine card (PTMC) expansion slots
Internal 56-Kbps modem
Independent fault monitor subsystem

Optional Expansion Interfaces

Resource switch card 3 expansion board*
8 analog phone ports
12 digital phone ports
11 analog trunk ports
Analog and digital station cards
Analog trunk modules (loop, ground, or DID)
T-1/PRI trunk modules (also available with drop-and-insert serial interface)
DSP resource PTMCs (VoIP, fax, TAPI/WAV)

	1500 Series
Physical
Height	4.8 in
Width	17.6 in
Depth	14.9 in
Weight	27 lbs
Power Requirements
	100-240 VAC, 50/60 Hz, 6.0A
Mounting Options
	Rack, table/standalone, wall
Interface Capacity
System Card	I main board
Voice Cards	None
Data Cards	None
WAN Modules	Maximum of 3 WAN modules Analogue trunk ( max 3) 1 port T-1 trunk w/serial (Max 1)

* Resource switch card 3 expansion board combines with the resource switch card 3 to form the RS3A, a doublewide card that uses two slots.
† Maximum of one data card if RS3A is installed.

Model	1500	3500	6500
Processor	Transmedia 800MHz	Celeron 733 MHz	Pentium III 750 MHz
Memory	512 MB DRAM	384 MB DRAM	512 MB DRAM
Hard Drives	40GB: Dual RAID-1 optional	40 GB; dual RAID-1 optional	40 GB; dual RAID-1 standard

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