Comrex Matrix - POTS/ISDN Protable + Rackmount Interface Bundle - Used

This used Comrex Matrix provides both ISDN and PSTN full duplex links of 15kHz, and interfaces to the cellular network to provide enhanced audio quality via a mobile phone connection. Fully compatible with all modes of the Vector and HotLine PSTN codecs, the Matrix provides a two-channel audio input mixer with additional tape input, comprehensive call handling and automatic interfacing to Matrix, Vector and HotLine codecs.

The Matrix accepts a plug-in ISDN module that provides three options for getting audio to and from a remote location via ISDN: Industry-standard G.722 on a single bearer; ISO/MPEG Layer III 15kHz bandwidth audio (also on a single bearer); and Comrex Turbo G.722 on two bearers, giving 15kHz full duplex audio with just a 6ms delay.

The Matrix can either connect directly to a suitable cellular telephone but also accepts a plug-in interface for a PCMCIA modem for a GSM mobile phone, over which it can send and receive surprisingly good audio quality via the cellular phone network. Being a plug-in module, the Matrix will be able to take advantage of new developments in cellular services as and when they become available, preserving the value of your investment.

Specifications

Matrix Rackmount Specificatoins

Audio in: 3-pin XLR female (1)
Audio out: 3-pin XLR male (1)
Tel Line and Tel Set: RJ11C 6-pin modular jacks (2)
Contact Closures: 1/8" 2-conductor mini-jacks (4)
Multipurpose Port: 9-pin D connector (1)
Audio Input: -10, 0, +4 dBu (via jumpers to +8) @ 20K ohms
Audio Output: -10, 0, +4 dBu (via jumpers to +8) @ 100 ohms
Telephone Line Out: -9 dBm @ 600 ohms
Internal supply: 120/240 VAC 60/50 Hz
Size: 19" W x 8" D x 1.75" H
Weight: 5.5 lbs

Matrix Protable Specificatoins

Audio In: 3-pin XLR female (2)
Tape In: 1/8" 2-conductor mini-jack (1)
Audio Out: 3-pin XLR male (1)
Headphone Out: 1/4" stereo phone jack (1)
Tel Line and Tel Set: RJ11C 6-pin modular jacks (2)
Contact Closures: 1/8" 2-conductor mini-jacks (2)
Auxiliary Data Port: DB-9 connector (1)
Accessory Connection: 25-pin D connector (1)
Mic Input: -85 to -40 dBu
Line Input: -10 to +10 dBu
Tape Input: -10 dBu (fixed) @ 10K ohms
Line Level Out: +12 dBu maximum @100 ohms
Headphone Out: .5 watt
Telephone Line Out: -9 dBu @600 ohms
External Supply: 24 V
Size: 9.5" W x 10" D x 3.5" H
Weight: 2.5 lbs

Used Equipment

Comrex Matrix - POTS/ISDN Protable + Rackmount Interface Bundle - Used