Mackie MDR24/96 Operation Guide - Page 11

I/O Cards and Cables

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Operation Guide INPUT TDIF OUT IN SYNC I/O Cards and Cables While the MDR24/96 ships with AIO•8 cards already installed, three other flavors of I/O cards are also available. All I/O cards can be mixed and matched in any combination. AIO•8 • Each AIO•8 provides 8 analog line-level inputs and outputs on two 25-pin D-subminiature (DB25) connectors. These connectors are pin-for-pin compatible with the analog (not TDIF) DB25 connectors found on the TASCAM DTRS recorders. DB25 cables that break out to XLR or 1/4" TRS connectors for mating with your console are readily available. AIO•8 ANALOG I/O OUTPUT DIO•8 • Each DIO•8 provides 8 digital inputs and outputs in two formats: 1. TASCAM Digital Interface (TDIF) provides 8 input and output channels of digital audio on a single DB25 connector. It requires a TASCAM PW-88D or equivalent TDIF-compatible cable. 2. ADAT Optical provides 8 channels of digital audio on fiber-optic cable. Two optical cables are required for each card, one for inputs, the other for outputs. Both cables must connect to the same device, creating a closed loop. OPT•8 3. The DIO•8 also provides a TDIF word clock sync output for use with older TASCAM equipment. OPT• 8 • The OPT•8 is a low-cost, ADAT Optical-only version of the DIO•8 card. The previous ADAT information also applies to this card. PDI• 8 • Each PDI•8 carries four stereo pairs (eight channels) of digital input and output on a single DB25 connector. This card supports the AES/EBU (IEC-958 Type 1) digital interfacing standard carrying two channels of digital audio on a single balanced cable. The PDI•8 can also be configured for the consumer (IEC-958 Type 2, or S/PDIF) data format if required. DB25 cables that break out to XLR connectors, and double-ended DB25 to DB25 AES/EBU cables for mating with your console, are readily available. The PDI•8 is the only Mackie I/O card that currently supports 88.2 or 96 kHz operation. At these sample rates, the PDI•8 card runs in "doublewide" (dual-wire) mode. In double-wide mode, the PDI•8 carries four mono channels of digital I/O by transmitting two consecutive 88.2/96k samples of the same channel on a single conductor. Note: Different manufacturers use different wiring standards for DB25 interface cables (both analog and digital) that otherwise look the same. Make sure the cable you are using is the correct one. See Appendix E for a list of compatible MDR24/96 I/O card cables. ADAT OPTICAL DIO•8 APOGEE DIGITAL I/O PDI•8 PDI• 8 AES/EBU I/O Operation Guide 11

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11
Operation Guide
Operation Guide
I/O Cards and Cables
While the MDR24/96 ships with AIO•8 cards already installed, three other flavors
of I/O cards are also available. All I/O cards can be mixed and matched in any
combination.
AIO•8
•
Each AIO•8 provides 8 analog line-level inputs and outputs on two 25-pin
D-subminiature (DB25) connectors. These connectors are pin-for-pin
compatible with the analog (not TDIF) DB25 connectors found on the
TASCAM DTRS recorders. DB25 cables that break out to XLR or 1/4" TRS
connectors for mating with your console are readily available.
DIO•8
•
Each DIO•8 provides 8 digital inputs and outputs in two formats:
1. TASCAM Digital Interface (TDIF) provides 8 input and output channels
of digital audio on a single DB25 connector. It requires a TASCAM
PW-88D or equivalent TDIF-compatible cable.
2.
ADAT Optical provides 8 channels of digital audio on fiber-optic cable.
Two optical cables are required for each card, one for inputs, the other
for outputs. Both cables must connect to the same device, creating a
closed loop.
3.
The DIO•8 also provides a TDIF word clock sync output for use with
older TASCAM equipment.
OPT• 8
•
The OPT•8 is a low-cost, ADAT Optical-only version of the DIO•8 card.
The previous ADAT information also applies to this card.
PDI• 8
•
Each PDI•8 carries four stereo pairs (eight channels) of digital input and
output on a single DB25 connector. This card supports the AES/EBU
(IEC-958 Type 1) digital interfacing standard carrying two channels of
digital audio on a single balanced cable. The PDI•8 can also be configured
for the consumer (IEC-958 Type 2, or S/PDIF) data format if required.
DB25 cables that break out to XLR connectors, and double-ended DB25 to
DB25 AES/EBU cables for mating with your console, are readily available.
The PDI•8 is the only Mackie I/O card that currently supports 88.2 or 96
kHz operation. At these sample rates, the PDI•8 card runs in “double-
wide” (dual-wire) mode. In double-wide mode, the PDI•8 carries four mono
channels of digital I/O by transmitting two consecutive 88.2/96k samples
of the same channel on a single conductor.
APOGEE
DIGITAL I/O
SYNC
IN
OUT
TDIF
ADAT OPTICAL
INPUT
OUTPUT
ANALOG I/O
AIO•8
DIO•8
PDI•8
AES/EBU I/O
PDI• 8
OPT•8
Note: Different manufacturers use different wiring standards for DB25 in-
terface cables (both analog and digital) that otherwise look the same. Make
sure the cable you are using is the correct one. See Appendix E for a list of
compatible MDR24/96 I/O card cables.